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Re: [obm-l] Probleminha
- To: obm-l@xxxxxxxxxxxxxx
- Subject: Re: [obm-l] Probleminha
- From: "Bruno França dos Reis" <bfreis@xxxxxxxxx>
- Date: Sun, 17 Feb 2008 00:42:26 +0100
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Use as chamadas Relações de Girard que sai imediatamente a resposta.
On 17/02/2008, Jan Sousa <jan.sousa@xxxxxxxxx> wrote:
Por favor ajudem nessa
Sejam x_1+x_2 as raízes da equação 10x^2 + 33x - 7 = 0
O número inteiro mais próximo do número 5x_1x_2 + 2(x_1+x_2) é:
a) -33 b) -10 c) -7 d) 10 e)33
--
Bruno FRANÇA DOS REIS
msn: brunoreis666@xxxxxxxxxxx
skype: brunoreis666
tel: +33 (0)6 28 43 42 16
e^(pi*i)+1=0