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Guahouane Abdessamiä
@guahouane
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Mathématiques 3 AC
2022-10-27 10:32:10
·
Racines Carrées : Exercice 2
a est un réel positif, simplifier : \begin{aligned}&A=\sqrt{36 a^2} \\&B=\sqrt{144 a^2+25 a^2} \\&C=\sqrt{\frac{a^2}{16}}+\sqrt{\frac{a^2}{9}} \\&D=\sqrt{225 a^2}-\sqrt{121 a^2}\end{aligned}
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