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Precalculus Examples

$\sqrt{16}$

Step 1

Rewrite $16$ as $4^{2}$ .

$\sqrt{4^{2}}$

Step 2

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

$4$

Enter YOUR Problem

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