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[obm-l] (UFPB-77)

To: "obm-l" <obm-l@xxxxxxxxxxxxxx>
Subject: [obm-l] (UFPB-77)
From: "arkon" <arkon@xxxxxxxxxx>
Date: Fri, 9 May 2008 11:33:31 -0300
Reply-to: obm-l@xxxxxxxxxxxxxx
Sender: owner-obm-l@xxxxxxxxxxxxxx

(UFPB-77) A equação x^5 ? x^4 + x^3 = 0 tem:

a) uma única raiz real.

b) uma raiz tripla real.

c) cinco raízes reais.

d) nenhuma raiz real.

e) nenhuma das respostas.

DESDE JÁ AGRADEÇO

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