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[obm-l] Mostre!!!

To: "obm-l@xxxxxxxxxxxxxx" <obm-l@xxxxxxxxxxxxxx>
Subject: [obm-l] Mostre!!!
From: Anselmo Sousa <anselmo_rj@xxxxxxxxxxx>
Date: Sat, 3 Nov 2007 00:02:19 +0300
Importance: Normal
Reply-to: obm-l@xxxxxxxxxxxxxx
Sender: owner-obm-l@xxxxxxxxxxxxxx

Olá companheiros!

Gostaria de obter uma ajuda nesta questão:

Mostre que (a_1 + a_2 + ... + a_n)(1/a_1 + 1/a_2 + ... + 1/a_n) >= n^2

para quisquer reais positivos a_1, a_2, ... , a_n.

Anselmo :-)

Veja mapas e encontre as melhores rotas para fugir do trânsito com o Live Search Maps! Experimente já!

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