O inegalitate draguta intr-un triunghi ascutit sau drept

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Mateescu Constantin
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O inegalitate draguta intr-un triunghi ascutit sau drept

Post by Mateescu Constantin »

Aratati ca intr-un triunghi ascutit sau drept are loc inegalitatea : \( \fbox{\ \frac{a^4+b^4+c^4}{a^2+b^2+c^2}\ \ge\ 3R^2\ } \) .
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