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(eroare: eq.0/48439)$\a_{1},a_{2},a_{3},...,a_{n}> 0, n\geqslant 3 , a_{1}+ a_{2}+...+a_{n}=1$ (eroare: eq.1/48439)$\frac{a_{1}^{2}}{a_{1}+a_{2}} + \frac{a_{2}^{2}}{a_{2}+a_{3}}+...+\frac{a_{n}^{2}}{a_{n}+a_{1}} \geqslant \frac{1}{2}$
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[equation]$\a_{1},a_{2},a_{3},...,a_{n}> 0, n\geqslant 3 , a_{1}+ a_{2}+...+a_{n}=1$[equation] si [equation]$\frac{a_{1}^{2}}{a_{1}+a_{2}} + \frac{a_{2}^{2}}{a_{2}+a_{3}}+...+\frac{a_{n}^{2}}{a_{n}+a_{1}} \geqslant \frac{1}{2}$[equation]
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Trebuie sa arat ca
si de aici nu mai stiu cum sa cotinui. Multumesc anticipat !
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Folositi \sin si \cos in loc de sin si cos.
LaTeX stie sa spatieze... Arata mult mai bine.
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df (gauss)
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