Question

type the expression as radicals 5/y2

Answer 1

$\bf \cfrac{5}{y^2}\qquad \begin{cases} \sqrt{25}=5\\ \sqrt{(y^2)^2}=y^2 \end{cases}\implies \cfrac{\sqrt{25}}{\sqrt{(y^2)^2}}\implies \cfrac{\sqrt{25}}{\sqrt{y^4}}\implies \sqrt{\cfrac{25}{y^4}}$