svp aidez moi j ai bcp de devoirs Maths : ecrire sous forme d'une seul puissance d exposant positif a = 9 × [ - 2sur5 ] exposant-2

By: USER9312
26 Agustus 2025 mathematiques 5 minutes
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Grade: Education Subject: mathematiques
svp aidez moi j ai bcp de devoirs Maths : ecrire sous forme d'une seul puissance d exposant positif a = 9 × [ - 2sur5 ] exposant-2
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bonjour


9 x ( - 2/5) ⁻²

= 9 x ( - 5/2) ²

= 9 x 25/4 = 225/4 =  ( 15/2)²

Answered on 26 Agustus 2025

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