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	<id>https://wiki.universitas.ro/index.php?action=history&amp;feed=atom&amp;title=E%3A14763</id>
	<title>E:14763 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.universitas.ro/index.php?action=history&amp;feed=atom&amp;title=E%3A14763"/>
	<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:14763&amp;action=history"/>
	<updated>2026-06-16T22:54:47Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.42.1</generator>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:14763&amp;diff=10448&amp;oldid=prev</id>
		<title>Andrei.Horvat at 16:39, 18 December 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:14763&amp;diff=10448&amp;oldid=prev"/>
		<updated>2024-12-18T16:39:18Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:39, 18 December 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l14&quot;&gt;Line 14:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 14:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Pentru &amp;lt;math&amp;gt;2 &amp;lt; q &amp;lt; p&amp;lt;/math&amp;gt;, considerăm că &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; este un număr prim de forma &amp;lt;math&amp;gt;3k+1&amp;lt;/math&amp;gt; sau &amp;lt;math&amp;gt;3k+2&amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;k \in \mathbb{N} \setminus \left\{0\right\}&amp;lt;/math&amp;gt;. Atunci &amp;lt;math&amp;gt;p^2 - 1 \in \mathcal{M}_3&amp;lt;/math&amp;gt;. Din &amp;lt;math&amp;gt;q\,  | \, p^2 - 1 &amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q&amp;lt;/math&amp;gt; număr prim, rezultă &amp;lt;math&amp;gt;q = 3&amp;lt;/math&amp;gt;. Acum &amp;lt;math&amp;gt;p\,  | \, q^2 + 1 &amp;lt;/math&amp;gt; revine la &amp;lt;math&amp;gt;p\,  | \, 10 &amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;p&amp;gt;3 &amp;lt;/math&amp;gt;, deci &amp;lt;math&amp;gt;p = 5&amp;lt;/math&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Pentru &amp;lt;math&amp;gt;2 &amp;lt; q &amp;lt; p&amp;lt;/math&amp;gt;, considerăm că &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; este un număr prim de forma &amp;lt;math&amp;gt;3k+1&amp;lt;/math&amp;gt; sau &amp;lt;math&amp;gt;3k+2&amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;k \in \mathbb{N} \setminus \left\{0\right\}&amp;lt;/math&amp;gt;. Atunci &amp;lt;math&amp;gt;p^2 - 1 \in \mathcal{M}_3&amp;lt;/math&amp;gt;. Din &amp;lt;math&amp;gt;q\,  | \, p^2 - 1 &amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q&amp;lt;/math&amp;gt; număr prim, rezultă &amp;lt;math&amp;gt;q = 3&amp;lt;/math&amp;gt;. Acum &amp;lt;math&amp;gt;p\,  | \, q^2 + 1 &amp;lt;/math&amp;gt; revine la &amp;lt;math&amp;gt;p\,  | \, 10 &amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;p&amp;gt;3 &amp;lt;/math&amp;gt;, deci &amp;lt;math&amp;gt;p = 5&amp;lt;/math&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Numerele căutate sunt &amp;lt;math&amp;gt;p = 5&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q = 3&amp;lt;/math&amp;gt;.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Observație:&amp;#039;&amp;#039;&amp;#039; Egalitatea &amp;#039;&amp;#039;&amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;&amp;#039;&amp;#039; revine la &amp;lt;math&amp;gt;p+q = \left( p-q\right)^3&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Observație:&amp;#039;&amp;#039;&amp;#039; Egalitatea &amp;#039;&amp;#039;&amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;&amp;#039;&amp;#039; revine la &amp;lt;math&amp;gt;p+q = \left( p-q\right)^3&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:14763&amp;diff=10447&amp;oldid=prev</id>
		<title>Andrei.Horvat at 16:37, 18 December 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:14763&amp;diff=10447&amp;oldid=prev"/>
		<updated>2024-12-18T16:37:09Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:37, 18 December 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l13&quot;&gt;Line 13:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 13:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;pe de altă parte &amp;lt;math&amp;gt;p^2 + 11 \, | \, 6p^2 + 10&amp;lt;/math&amp;gt;, ceea ce conduce la &amp;lt;math&amp;gt;p^2 \in \left\{3,17,45\right\}&amp;lt;/math&amp;gt;, valori care nu convin.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;pe de altă parte &amp;lt;math&amp;gt;p^2 + 11 \, | \, 6p^2 + 10&amp;lt;/math&amp;gt;, ceea ce conduce la &amp;lt;math&amp;gt;p^2 \in \left\{3,17,45\right\}&amp;lt;/math&amp;gt;, valori care nu convin.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Pentru &amp;lt;math&amp;gt;2 &amp;lt; q &amp;lt; p&amp;lt;/math&amp;gt;, considerăm că &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; este un număr prim de forma &amp;lt;math&amp;gt;3k+1&amp;lt;/math&amp;gt; sau &amp;lt;math&amp;gt;3k+2&amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;k \in \mathbb{N} \setminus \left\{0\right\}&amp;lt;/math&amp;gt;. Atunci &amp;lt;math&amp;gt;p^2 - 1 \in \mathcal{M}_3&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Pentru &amp;lt;math&amp;gt;2 &amp;lt; q &amp;lt; p&amp;lt;/math&amp;gt;, considerăm că &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; este un număr prim de forma &amp;lt;math&amp;gt;3k+1&amp;lt;/math&amp;gt; sau &amp;lt;math&amp;gt;3k+2&amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;k \in \mathbb{N} \setminus \left\{0\right\}&amp;lt;/math&amp;gt;. Atunci &amp;lt;math&amp;gt;p^2 - 1 \in \mathcal{M}_3&amp;lt;/math&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. Din &amp;lt;math&amp;gt;q\,  | \, p^2 - 1 &amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q&amp;lt;/math&amp;gt; număr prim, rezultă &amp;lt;math&amp;gt;q = 3&amp;lt;/math&amp;gt;. Acum &amp;lt;math&amp;gt;p\,  | \, q^2 + 1 &amp;lt;/math&amp;gt; revine la &amp;lt;math&amp;gt;p\,  | \, 10 &amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;p&amp;gt;3 &amp;lt;/math&amp;gt;, deci &amp;lt;math&amp;gt;p = 5&amp;lt;/math&amp;gt;.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Observație:&amp;#039;&amp;#039;&amp;#039; Egalitatea &amp;#039;&amp;#039;&amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;&amp;#039;&amp;#039; revine la &amp;lt;math&amp;gt;p+q = \left( p-q\right)^3&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Observație:&amp;#039;&amp;#039;&amp;#039; Egalitatea &amp;#039;&amp;#039;&amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;&amp;#039;&amp;#039; revine la &amp;lt;math&amp;gt;p+q = \left( p-q\right)^3&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:14763&amp;diff=10446&amp;oldid=prev</id>
		<title>Andrei.Horvat at 16:34, 18 December 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:14763&amp;diff=10446&amp;oldid=prev"/>
		<updated>2024-12-18T16:34:18Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:34, 18 December 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot;&gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Soluție&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Soluție&amp;#039;&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Egalitatea &#039;&#039;&amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;&#039;&#039; este echivalent ă cu &amp;lt;math&amp;gt;p \left( p^2-1-3pq \right) = q \left( q^2 + 1 - 3pq \right)&amp;lt;/math&amp;gt;. Cum numerele &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q&amp;lt;/math&amp;gt; sunt prime,&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Egalitatea &#039;&#039;&amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;&#039;&#039; este echivalent ă cu &amp;lt;math&amp;gt;p \left( p^2-1-3pq \right) = q \left( q^2 + 1 - 3pq \right)&amp;lt;/math&amp;gt;. Cum numerele &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q&amp;lt;/math&amp;gt; sunt prime, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;se deduce că  &amp;lt;math&amp;gt;p\,  | \, q^2 + 1 - 3pq &amp;lt;/math&amp;gt;, respectiv &amp;lt;math&amp;gt;q\,  | \, p^2 - 1 - 3pq &amp;lt;/math&amp;gt;, deci &amp;lt;math&amp;gt;p\,  | \, q^2 + 1 &amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q\,  | \, p^2 - 1 &amp;lt;/math&amp;gt;.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Pentru &amp;lt;math&amp;gt;2=q &amp;lt; p&amp;lt;/math&amp;gt;, egalitatea &#039;&#039;&amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;&#039;&#039; devine &amp;lt;math&amp;gt;6p^2 + 10 = p \left( p^2 + 11 \right)&amp;lt;/math&amp;gt;, ceea ce implică&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pe de o parte  &amp;lt;math&amp;gt;p \, | \, 10&amp;lt;/math&amp;gt;, deci &amp;lt;math&amp;gt; p = 5&amp;lt;/math&amp;gt;, valoare care nu convine, sau&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;pe de altă parte &amp;lt;math&amp;gt;p^2 + 11 \, | \, 6p^2 + 10&amp;lt;/math&amp;gt;, ceea ce conduce la &amp;lt;math&amp;gt;p^2 \in \left\{3,17,45\right\}&amp;lt;/math&amp;gt;, valori care nu convin.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Pentru &amp;lt;math&amp;gt;2 &amp;lt; q &amp;lt; p&amp;lt;/math&amp;gt;, considerăm că &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; este un număr prim de forma &amp;lt;math&amp;gt;3k+1&amp;lt;/math&amp;gt; sau &amp;lt;math&amp;gt;3k+2&amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;k \in \mathbb{N} \setminus \left\{0\right\}&amp;lt;/math&amp;gt;. Atunci &amp;lt;math&amp;gt;p^2 - 1 \in \mathcal{M}_3&amp;lt;/math&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Observație:&amp;#039;&amp;#039;&amp;#039; Egalitatea &amp;#039;&amp;#039;&amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;&amp;#039;&amp;#039; revine la &amp;lt;math&amp;gt;p+q = \left( p-q\right)^3&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Observație:&amp;#039;&amp;#039;&amp;#039; Egalitatea &amp;#039;&amp;#039;&amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;&amp;#039;&amp;#039; revine la &amp;lt;math&amp;gt;p+q = \left( p-q\right)^3&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:14763&amp;diff=10445&amp;oldid=prev</id>
		<title>Andrei.Horvat at 16:13, 18 December 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:14763&amp;diff=10445&amp;oldid=prev"/>
		<updated>2024-12-18T16:13:52Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:13, 18 December 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l2&quot;&gt;Line 2:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 2:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;Determinați numerele prime &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q&amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;p &amp;gt; q&amp;lt;/math&amp;gt;, știind că &amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#039;&amp;#039;Determinați numerele prime &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q&amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;p &amp;gt; q&amp;lt;/math&amp;gt;, știind că &amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&#039;Soluție&#039;&#039;&#039;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Egalitatea &#039;&#039;&amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;&#039;&#039; este echivalent ă cu &amp;lt;math&amp;gt;p \left( p^2-1-3pq \right) = q \left( q^2 + 1 - 3pq \right)&amp;lt;/math&amp;gt;. Cum numerele &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q&amp;lt;/math&amp;gt; sunt prime,&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&#039;&#039;&#039;Observație:&#039;&#039;&#039; Egalitatea &#039;&#039;&amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;&#039;&#039; revine la &amp;lt;math&amp;gt;p+q = \left( p-q\right)^3&amp;lt;/math&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=E:14763&amp;diff=10444&amp;oldid=prev</id>
		<title>Andrei.Horvat: Created page with &quot;&#039;&#039;&#039;E:14763 (Cristina Vijdeluc și Mihai Vijdeluc)&#039;&#039;&#039;  &#039;&#039;Determinați numerele prime &lt;math&gt;p&lt;/math&gt; și &lt;math&gt;q&lt;/math&gt;, cu &lt;math&gt;p &gt; q&lt;/math&gt;, știind că &lt;math&gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&lt;/math&gt;.&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=E:14763&amp;diff=10444&amp;oldid=prev"/>
		<updated>2024-12-18T16:07:07Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&amp;#039;&amp;#039;&amp;#039;E:14763 (Cristina Vijdeluc și Mihai Vijdeluc)&amp;#039;&amp;#039;&amp;#039;  &amp;#039;&amp;#039;Determinați numerele prime &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q&amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;p &amp;gt; q&amp;lt;/math&amp;gt;, știind că &amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;.&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;E:14763 (Cristina Vijdeluc și Mihai Vijdeluc)&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;Determinați numerele prime &amp;lt;math&amp;gt;p&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;q&amp;lt;/math&amp;gt;, cu &amp;lt;math&amp;gt;p &amp;gt; q&amp;lt;/math&amp;gt;, știind că &amp;lt;math&amp;gt;p\left( 1+3pq\right) + q\left(1-3pq\right) = p^3 - q^3&amp;lt;/math&amp;gt;.&lt;/div&gt;</summary>
		<author><name>Andrei.Horvat</name></author>
	</entry>
</feed>