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Re: [obm-l] Geometria analitica

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Subject: Re: [obm-l] Geometria analitica
From: saulo nilson <saulo.nilson@xxxxxxxxx>
Date: Tue, 16 Aug 2005 19:19:49 -0200
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cada circunferencia tem que tangenciar as duas retas ao mesmo tempo?

On 8/16/05, Danilo Nascimento <souza_danilo@yahoo.com.br> wrote:
> Determine a equacao do lugar geometrico dos pontos de igual potencia em
> relacao as circunferencias tangentes as retas de equacao x+ y-4=0 e 7x-y+4=0
> e cujos centros pertencem a reta de equacao 4x + 3y-2=0.
>  
> Grato
> 
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