Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - Chapter 1 Test Prep - Review Exercises: 31

Answer

$-i$

Work Step by Step

$i^{11}=i^{10}\times i=\left( i^{2}\right) ^{5}\times i=\left( -1\right) ^{5}\times i=-1\times i=-i$
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