Simplify (2i)^2 - MathMaster

Math

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

Apply the product rule to $2 i$ .

$2^{2} i^{2}$

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

$4 i^{2}$

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

$4 \cdot - 1$

Multiply $4$ by $- 1$ .

$- 4$

Simplify (2i)^2

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