Question

efetue as potênciacoes dos radicais abaixo
$( \frac{x}{y} \times \sqrt{ \frac{y}{x} } )^{2}$

Answer 1

$\Big( \frac{x}{y} \times \sqrt{ \frac{y}{x} } \Big)^{2} =\Big( \frac{x}{y} \Big)^{2}\times\Big( \sqrt{ \frac{y}{x} } \Big)^{2}= \frac{x^2}{y^2} \times \frac{y}{x} = \frac{x\cdot x}{y\cdot y} \times \frac{y}{x}=\frac{x}{y}$