Algebra Examples

$i^{4} \cdot 7$

Step 1

Rewrite $i^{4}$ as $1$ .

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Rewrite $i^{4}$ as ${(i^{2})}^{2}$ .

${(i^{2})}^{2} \cdot 7$

Rewrite $i^{2}$ as $- 1$ .

${(- 1)}^{2} \cdot 7$

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

$1 \cdot 7$

Step 2

Multiply $7$ by $1$ .

$7$

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