S:E15.325

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S:E15.325 (Cristina Vijdeluc și Mihai Vijdeluc, Baia Mare)

Determinați numerele naturale Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \overline{abcd}} pentru care:

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \frac{\sqrt{d+2 \cdot \overline{abc}}}{\overline{d0}} = \frac{\sqrt{3 \cdot \overline{abc}}}{\overline{abc}}}

Soluție:

Prin ridicare la pătrat obținem:

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \frac{d + 2 \cdot \overline{abc}}{\overline{d0}^2} = \frac{3}{\overline{abc}}}

Notăm și avem:

sau

cu soluțiile:

Prin urmare . Pentru obținem și numărul căutat este , iar pentru nu avem soluții deoarece Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle 12d \leq 96} .