Question

извлеките Корен
$\sqrt{ \frac{25}{81 | } \times \frac{16}{49} \times \frac{196}{9} }$
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Answer 1

$\sqrt{\frac{25}{81} *\frac{16}{49} *\frac{196}{9} }=\sqrt{(\frac{5}{9})^{2} *(\frac{4}{7})^{2}*(\frac{14}{3})^{2}} =\frac{5*4*14}{9*7*3}=\frac{280}{189} =1\frac{91}{189}$