Delgado Dickson
05/18/2024 · Senior High School

I On donne le nombre complexe \( u= \) 1)a) calculer \( u^{2} \) et \( u^{4} \) b) calculer le module et un argument de de \( u \) 2) le plan complexe est muni d'un coordonnées \( (x, y) \) du plan, on associe s Déterminer l'ensemble des points \( M \) du \( u \times z \) est égal à 8 . II) Linéariser \( : A=\sin 3 x \cos ^{2} x ; B=c \)

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Pour répondre correctement à cette question, il est nécessaire de connaître la définition exacte du nombre complexe \( u \). Une fois que \( u \) est défini, nous pouvons calculer \( u^2 \) et \( u^4 \), déterminer son module et son argument, résoudre l'équation \( u \times z = 8 \), et linéariser l'expression \( A = \sin(3x) \cos^2(x) \).

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