Triunghi in conditia a^2+b^2+c^2=4

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Mateescu Constantin
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Triunghi in conditia a^2+b^2+c^2=4

Post by Mateescu Constantin »

Daca \( a \), \( b \), \( c \) sunt lungimile laturilor unui triunghi \( ABC \) iar \( R \) este raza cercului circumscris

si \( S \) aria, sa se arate ca in ipoteza \( a^2+b^2+c^2=4 \) avem \( 6R^2+S^2\ge 3 \).
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alex2008
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Post by alex2008 »

http://www.mathlinks.ro/viewtopic.php?t=327662
. A snake that slithers on the ground can only dream of flying through the air.
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