Simplify fourth root of 81y^8

$\sqrt[4]{81 y^{8}}$

Step 1

Rewrite $81 y^{8}$ as ${(3 y^{2})}^{4}$ .

$\sqrt[4]{{(3 y^{2})}^{4}}$

Step 2

Pull terms out from under the radical, assuming positive real numbers.

$3 y^{2}$

Related Questions