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Chapitre 2 NOMBRES COMPLEXES Enoncé des exercices

Exercice 2.13 Soit u un nombre complexe de module 1, montrer que Re(. 1. 1 ? u\. = 1. 2 . Exercice 2.14 Résoudre l'équation z3 = z. Exercice 2.15 Soit (zn) n? ...

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