Precalculus Examples

$\frac{1!}{4 - 2}$

Step 1

Expand $1!$ to $1$ .

$\frac{1}{4 - 2}$

Step 2

Subtract $2$ from $4$ .

$\frac{1}{2}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{1}{2}$

Decimal Form:

$0.5$

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