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Re: RES: [obm-l] ..........

To: obm-l@xxxxxxxxxxxxxx
Subject: Re: RES: [obm-l] ..........
From: Euraul@xxxxxxx
Date: Thu, 16 May 2002 23:17:41 EDT
Reply-To: obm-l@xxxxxxxxxxxxxx
Sender: owner-obm-l@xxxxxxxxxxxxxxxxxxxxx

     Que tal essa estratégia ? Será que compliquei muito ?
     A equação é x=sqrt(5-sqrt(5-x)) ; se x vale sqrt(5-sqrt(5-x)), podemos substituir tendo x = sqrt(5-sqrt(5-sqrt(5-sqrt(5-x)))). Se fizermos isso infinitas vezes, teremos um problema clássico que resumimos para x = sqrt(5-x), isto é, x^2 = 5 - x. Sendo a resposta a raiz positiva : (sqrt(21)-1)/2.
      Um abraço,
            Raul

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