Precalculus Examples

$\frac{0}{\sqrt{4 - 0^{2}}}$

Step 1

Simplify the denominator.

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Step 1.1

Raising $0$ to any positive power yields $0$ .

$\frac{0}{\sqrt{4 - 0}}$

Step 1.2

Multiply $- 1$ by $0$ .

$\frac{0}{\sqrt{4 + 0}}$

Step 1.3

Add $4$ and $0$ .

$\frac{0}{\sqrt{4}}$

Step 1.4

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

$\frac{0}{\sqrt{2^{2}}}$

Step 1.5

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

$\frac{0}{2}$

Step 2

Divide $0$ by $2$ .

$0$