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	<id>https://wiki.universitas.ro/index.php?action=history&amp;feed=atom&amp;title=26713</id>
	<title>26713 - Revision history</title>
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	<updated>2026-05-01T22:15:44Z</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=26713&amp;diff=9199&amp;oldid=prev</id>
		<title>Andrei.Horvat at 08:08, 8 January 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=26713&amp;diff=9199&amp;oldid=prev"/>
		<updated>2024-01-08T08:08:10Z</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;
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				&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 08:08, 8 January 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-l6&quot;&gt;Line 6:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 6:&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;lt;br /&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;lt;br /&amp;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;div&gt;&amp;lt;br /&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;lt;br /&amp;gt;&lt;/div&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;Avem &amp;lt;math&amp;gt; 2 \leq x_n - y_n \leq \sqrt{2(x_n^2 + y_n^2)} &amp;lt;/math&amp;gt; și cum &amp;lt;math&amp;gt; \lim_{{n \to \infty}} \sqrt{2(x_n^2 + y_n^2)} = 2 &amp;lt;/math&amp;gt;, rezultă că &amp;lt;math&amp;gt; \lim_{{n \to \infty}} (x_n + y_n) = 2 &amp;lt;/math&amp;gt;. Cum &amp;lt;math&amp;gt; 1 \leq x_n \leq x_n + y_n - 1 &amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt; \lim_{{n \to \infty}} (x_n + y_n - 1) = 1 &amp;lt;/math&amp;gt;, obținem &amp;lt;math&amp;gt; \lim_{{n \to \infty}} x_n = 1 &amp;lt;/math&amp;gt;. Analog, &amp;lt;math&amp;gt; \lim_{{n \to \infty}} y_n = 1 &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;Avem &amp;lt;math&amp;gt; 2 \leq x_n - y_n \leq \sqrt{2(x_n^2 + y_n^2)} &amp;lt;/math&amp;gt; și cum &amp;lt;math&amp;gt; \lim_{{n \to \infty}} \sqrt{2(x_n^2 + y_n^2)} = 2 &amp;lt;/math&amp;gt;, rezultă că &amp;lt;math&amp;gt; \lim_{{n \to \infty}} (x_n + y_n) = 2 &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;/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;Cum &amp;lt;math&amp;gt; 1 \leq x_n \leq x_n + y_n - 1 &amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt; \lim_{{n \to \infty}} (x_n + y_n - 1) = 1 &amp;lt;/math&amp;gt;, obținem &amp;lt;math&amp;gt; \lim_{{n \to \infty}} x_n = 1 &amp;lt;/math&amp;gt;. Analog, &amp;lt;math&amp;gt; \lim_{{n \to \infty}} y_n = 1 &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=26713&amp;diff=9197&amp;oldid=prev</id>
		<title>Csula Beatrice at 03:07, 8 January 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=26713&amp;diff=9197&amp;oldid=prev"/>
		<updated>2024-01-08T03:07:37Z</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;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 03:07, 8 January 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-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&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;&#039;&#039;&#039;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;28354 &lt;/del&gt;(Radu Pop și Vasile Ienuțaș)&#039;&#039;&#039;&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;&#039;&#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;26713 &lt;/ins&gt;(Radu Pop și Vasile Ienuțaș)&#039;&#039;&#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;div&gt;&amp;lt;br /&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;lt;br /&amp;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;div&gt;&amp;#039;&amp;#039;&amp;lt;br /&amp;gt;Se consideră șirul de numere reale &amp;lt;math&amp;gt;(x_n)_{n \geq 0}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;(y_n)_{n \geq 0}&amp;lt;/math&amp;gt; cu &amp;lt;math&amp;gt;x_n \geq 1&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;y_n \geq 1&amp;lt;/math&amp;gt;, pentru orice &amp;lt;math&amp;gt;n \in \mathbb{N}&amp;lt;/math&amp;gt;, și &amp;lt;math&amp;gt;\lim_{{n \to \infty}} (x_n^2 + y_n^2) = 2&amp;lt;/math&amp;gt;. Să se calculeze &amp;lt;math&amp;gt;\lim_{{n \to \infty}} x_n&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;\lim_{{n \to \infty}} y_n&amp;lt;/math&amp;gt;.&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;lt;br /&amp;gt;Se consideră șirul de numere reale &amp;lt;math&amp;gt;(x_n)_{n \geq 0}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;(y_n)_{n \geq 0}&amp;lt;/math&amp;gt; cu &amp;lt;math&amp;gt;x_n \geq 1&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;y_n \geq 1&amp;lt;/math&amp;gt;, pentru orice &amp;lt;math&amp;gt;n \in \mathbb{N}&amp;lt;/math&amp;gt;, și &amp;lt;math&amp;gt;\lim_{{n \to \infty}} (x_n^2 + y_n^2) = 2&amp;lt;/math&amp;gt;. Să se calculeze &amp;lt;math&amp;gt;\lim_{{n \to \infty}} x_n&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;\lim_{{n \to \infty}} y_n&amp;lt;/math&amp;gt;.&amp;#039;&amp;#039;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Csula Beatrice</name></author>
	</entry>
	<entry>
		<id>https://wiki.universitas.ro/index.php?title=26713&amp;diff=9196&amp;oldid=prev</id>
		<title>Csula Beatrice: Pagină nouă: &#039;&#039;&#039;28354 (Radu Pop și Vasile Ienuțaș)&#039;&#039;&#039; &lt;br /&gt; &#039;&#039;&lt;br /&gt;Se consideră șirul de numere reale &lt;math&gt;(x_n)_{n \geq 0}&lt;/math&gt; și &lt;math&gt;(y_n)_{n \geq 0}&lt;/math&gt; cu &lt;math&gt;x_n \geq 1&lt;/math&gt;, &lt;math&gt;y_n \geq 1&lt;/math&gt;, pentru orice &lt;math&gt;n \in \mathbb{N}&lt;/math&gt;, și &lt;math&gt;\lim_{{n \to \infty}} (x_n^2 + y_n^2) = 2&lt;/math&gt;. Să se calculeze &lt;math&gt;\lim_{{n \to \infty}} x_n&lt;/math&gt; și &lt;math&gt;\lim_{{n \to \infty}} y_n&lt;/math&gt;.&#039;&#039; &lt;br /&gt; &#039;&#039;&#039;Soluție:&#039;&#039;&#039;  &lt;br /&gt; &lt;br /&gt; Avem &lt;math&gt; 2 \leq x_n...</title>
		<link rel="alternate" type="text/html" href="https://wiki.universitas.ro/index.php?title=26713&amp;diff=9196&amp;oldid=prev"/>
		<updated>2024-01-08T03:05:57Z</updated>

		<summary type="html">&lt;p&gt;Pagină nouă: &amp;#039;&amp;#039;&amp;#039;28354 (Radu Pop și Vasile Ienuțaș)&amp;#039;&amp;#039;&amp;#039; &amp;lt;br /&amp;gt; &amp;#039;&amp;#039;&amp;lt;br /&amp;gt;Se consideră șirul de numere reale &amp;lt;math&amp;gt;(x_n)_{n \geq 0}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;(y_n)_{n \geq 0}&amp;lt;/math&amp;gt; cu &amp;lt;math&amp;gt;x_n \geq 1&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;y_n \geq 1&amp;lt;/math&amp;gt;, pentru orice &amp;lt;math&amp;gt;n \in \mathbb{N}&amp;lt;/math&amp;gt;, și &amp;lt;math&amp;gt;\lim_{{n \to \infty}} (x_n^2 + y_n^2) = 2&amp;lt;/math&amp;gt;. Să se calculeze &amp;lt;math&amp;gt;\lim_{{n \to \infty}} x_n&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;\lim_{{n \to \infty}} y_n&amp;lt;/math&amp;gt;.&amp;#039;&amp;#039; &amp;lt;br /&amp;gt; &amp;#039;&amp;#039;&amp;#039;Soluție:&amp;#039;&amp;#039;&amp;#039;  &amp;lt;br /&amp;gt; &amp;lt;br /&amp;gt; Avem &amp;lt;math&amp;gt; 2 \leq x_n...&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;28354 (Radu Pop și Vasile Ienuțaș)&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;lt;br /&amp;gt;Se consideră șirul de numere reale &amp;lt;math&amp;gt;(x_n)_{n \geq 0}&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;(y_n)_{n \geq 0}&amp;lt;/math&amp;gt; cu &amp;lt;math&amp;gt;x_n \geq 1&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;y_n \geq 1&amp;lt;/math&amp;gt;, pentru orice &amp;lt;math&amp;gt;n \in \mathbb{N}&amp;lt;/math&amp;gt;, și &amp;lt;math&amp;gt;\lim_{{n \to \infty}} (x_n^2 + y_n^2) = 2&amp;lt;/math&amp;gt;. Să se calculeze &amp;lt;math&amp;gt;\lim_{{n \to \infty}} x_n&amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt;\lim_{{n \to \infty}} y_n&amp;lt;/math&amp;gt;.&amp;#039;&amp;#039;&lt;br /&gt;
&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Soluție:&amp;#039;&amp;#039;&amp;#039; &lt;br /&gt;
&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;lt;br /&amp;gt;&lt;br /&gt;
Avem &amp;lt;math&amp;gt; 2 \leq x_n - y_n \leq \sqrt{2(x_n^2 + y_n^2)} &amp;lt;/math&amp;gt; și cum &amp;lt;math&amp;gt; \lim_{{n \to \infty}} \sqrt{2(x_n^2 + y_n^2)} = 2 &amp;lt;/math&amp;gt;, rezultă că &amp;lt;math&amp;gt; \lim_{{n \to \infty}} (x_n + y_n) = 2 &amp;lt;/math&amp;gt;. Cum &amp;lt;math&amp;gt; 1 \leq x_n \leq x_n + y_n - 1 &amp;lt;/math&amp;gt; și &amp;lt;math&amp;gt; \lim_{{n \to \infty}} (x_n + y_n - 1) = 1 &amp;lt;/math&amp;gt;, obținem &amp;lt;math&amp;gt; \lim_{{n \to \infty}} x_n = 1 &amp;lt;/math&amp;gt;. Analog, &amp;lt;math&amp;gt; \lim_{{n \to \infty}} y_n = 1 &amp;lt;/math&amp;gt;.&lt;/div&gt;</summary>
		<author><name>Csula Beatrice</name></author>
	</entry>
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