Examples

\sqrt{4}

$\sqrt{4}$

Step 1

Rewrite

4

$4$ as

2^{2}

$2^{2}$ .

\sqrt{2^{2}}

$\sqrt{2^{2}}$

Step 2

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

2

$2$

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⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

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