Algebra Examples

$a_{2} = \frac{2^{2}}{2!}$

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

$a_{2} = \frac{4}{2!}$

Simplify the denominator.

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Expand $2!$ to $2 \cdot 1$ .

$a_{2} = \frac{4}{2 \cdot 1}$

Multiply $2$ by $1$ .

$a_{2} = \frac{4}{2}$

Divide $4$ by $2$ .

$a_{2} = 2$

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