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Re: [obm-l] Ajuda!
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Subject
: Re: [obm-l] Ajuda!
From
: "Marcelo Salhab Brogliato" <
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>
Date
: Wed, 17 Oct 2007 02:06:06 -0300
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Olá Cristovao,
faca f(d) = d^2 - sqrt(d) - 2,477, entao:
f(2) = 4 - sqrt(2) - 2,477 > 4 - 1,42 - 2,477 = 0,103 > 0
alias.. parece que nossa raiz esta bem proxima de 2.. :)
e como a funcao eh crescente para x>1, temos que esta é nossa única raiz..
[para ver que eh crescente, apenas derive e analise o sinal! :)]
nao consegui encontrar uma saida analitica..
abracos,
Salhab
On 10/16/07,
Cristóvão Arruda
<
listas.mat@xxxxxxxxx
> wrote:
Olá, alguém acharia a resolução deste simples problema?
2,477 = D^2 - D^1/2
Abraços.
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[obm-l] Ajuda!
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