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[obm-l] Fwd: Help! Help!
- To: obm-l@xxxxxxxxxxxxxx
- Subject: [obm-l] Fwd: Help! Help!
- From: "Marcelo Costa" <mat.moura@xxxxxxxxx>
- Date: Wed, 31 Oct 2007 11:59:28 -0200
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Alguém poderia me dar uma luz, pois já tentei de várias maneiras mas não chego a lugar nenhum. Muito obrigado!
Marcelo
ITA - Sejam x e y números reais, tais que:
x^3 - 3xy^2 = 1
3x^2y - y^3 = 1
Então, o número complexo z = x + yi é tal que z^3 e |z| valem: