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Sagot :

Bonjour,

Méthode : si x³ = n alors x = n^(⅓)

a) x³ = 125 soit x = 125^(⅓) = 5

x³ = -27 soit x = -27^(⅓) = -3

x³ = 0 soit x = 0

x³ = 64 soit x = 64^(⅓) = 4

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