Precalculus Examples

$a = \frac{{(- 1)}^{1 + 1}}{1 (1 + 1)}$

Step 1

Simplify the numerator.

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Step 1.1

Add $1$ and $1$ .

$a = \frac{{(- 1)}^{2}}{1 (1 + 1)}$

Step 1.2

Raise $- 1$ to the power of $2$ .

$a = \frac{1}{1 (1 + 1)}$

$a = \frac{1}{1 (1 + 1)}$

Step 2

Simplify the expression.

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Step 2.1

Multiply $1 + 1$ by $1$ .

$a = \frac{1}{1 + 1}$

Step 2.2

Add $1$ and $1$ .

$a = \frac{1}{2}$

$a = \frac{1}{2}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$a = \frac{1}{2}$

Decimal Form:

$a = 0.5$

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