[obm-l] DESIGUALDADE

To: obm-l@xxxxxxxxxxxxxx
Subject: [obm-l] DESIGUALDADE
From: Klaus Ferraz <klausferraz@xxxxxxxxxxxx>
Date: Wed, 14 Dec 2005 19:25:54 +0000 (GMT)
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Prove que se a, b,c sao lado de um triangulo entao :

a²(b + c - a) + b²(c + a - b) + c²(a + b - c) ¡Ü 3abc