Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.5 - Complex Numbers - 1.5 Exercises - Page 120: 79

Answer

$-14i^5=-14i$

Work Step by Step

Use: $i^2=-1$ $-14i^5=-14(i^2)(i^2)i=-14(-1)(-1)i=-14i$
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