Answer
$-i$
Work Step by Step
$i^{11}=i^{10}\times i=\left( i^{2}\right) ^{5}\times i=\left( -1\right) ^{5}\times i=-1\times i=-i$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 1 - Equations and Inequalities - Chapter 1 Test Prep - Review Exercises - Page 178: 31
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