Simplify the Radical Expression i^4

$i^{4}$

Step 1

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

${(i^{2})}^{2}$

Step 2

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

${(- 1)}^{2}$

Step 3

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

$1$

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