Question

Simplifique a expressão 5√7 . 9√6 / 15√21

Answer 1

$\frac{5\sqrt{7} .9\sqrt{6} }{15\sqrt{21} }$

$\frac{\sqrt{7} .9\sqrt{6} }{\sqrt{21} }$$\frac{9\sqrt{6} }{3\sqrt{3} }$

$\frac{3\sqrt{6} }{\sqrt{3} }$

$3\sqrt{2}$