Réponse :
bonjjour
Explications étape par étape
) =√(6²/5²)==6/5
√36/√25=6/5
-√144/3 = -(√12²) / 3 =-12/3=4
√(121/49) =√(11²/7²)=11/7
50 /2x √25= 50/10=5
-3√16²/4x √(-3)² =-3x16 / 4x3=-48/12=-4
√((5/6)²=5/6
√(7x21 /3) =√(7x7x3) / √3 = 7√3 / √3 = 7
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Réponse :
bonjjour
Explications étape par étape
) =√(6²/5²)==6/5
√36/√25=6/5
-√144/3 = -(√12²) / 3 =-12/3=4
√(121/49) =√(11²/7²)=11/7
50 /2x √25= 50/10=5
-3√16²/4x √(-3)² =-3x16 / 4x3=-48/12=-4
√((5/6)²=5/6
√(7x21 /3) =√(7x7x3) / √3 = 7√3 / √3 = 7