Question
For the following exercises, evaluate the expressions, writing the result as a simplified complex number. $$i^{-3}+5 i^{7}$$
Step 1
We know that $i^{-3}$ is the same as $1/i^{3}$ and $i^{7}$ is the same as $i^{3} \cdot i^{4}$. Show more…
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