Precalculus Examples

\sqrt{64}

$\sqrt{64}$

Step 1

Rewrite

64

$64$ as

8^{2}

$8^{2}$ .

\sqrt{8^{2}}

$\sqrt{8^{2}}$

Step 2

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

8

$8$

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

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