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Re: [obm-l] Prove que...

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Subject: Re: [obm-l] Prove que...
From: Júnior <jssouza1@xxxxxxxxx>
Date: Wed, 24 Aug 2005 12:32:46 -0300
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indução finita...

Em 24/08/05, Charles Quevedo <tetiecharles@yahoo.com.br> escreveu:

Ola! Amigos.

Só um exercício, para exercitar.hehe.

Prove para N*

1-2²+3²-4²+...+(-1)^n-1 . n²= (-1)^n-1. n(n+1)

2
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