Pre-Algebra Examples

$\sqrt{4 a^{2} b^{4}}$

Step 1

Rewrite $4 a^{2} b^{4}$ as ${(2 a b^{2})}^{2}$ .

$\sqrt{{(2 a b^{2})}^{2}}$

Step 2

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

$2 a b^{2}$