Precalculus Examples

$\frac{\sqrt{2 + 2}}{2}$

Step 1

Simplify the numerator.

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Step 1.1

Add $2$ and $2$ .

$\frac{\sqrt{4}}{2}$

Step 1.2

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

$\frac{\sqrt{2^{2}}}{2}$

Step 1.3

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

$\frac{2}{2}$

Step 2

Divide $2$ by $2$ .

$1$