Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Appendix G - Complex Numbers - G Exercises: 11

Answer

$-i$

Work Step by Step

$i^{3}$ Using basic exponent rules: $=i^{2}\cdot i$ We use the fact that $i^2=-1$ (because $i=\sqrt{-1}$) $=-1*i$ $=-i$
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