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Algebra Examples

Popular Problems

Evaluate ( square root of -1)^2

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

Step 1

Rewrite $\sqrt{- 1}$ as $i$ .

$i^{2}$

Step 2

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

$- 1$

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

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