Algebra Examples

$\sqrt[3]{x^{21}}$

Step 1

Rewrite $x^{21}$ as ${(x^{7})}^{3}$ .

$\sqrt[3]{{(x^{7})}^{3}}$

Step 2

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

$x^{7}$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$