Trigonometry Examples

$\sqrt{x^{18} y^{2}}$

Step 1

Rewrite $x^{18} y^{2}$ as ${(x^{9} y)}^{2}$ .

$\sqrt{{(x^{9} y)}^{2}}$

Step 2

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

$x^{9} y$