Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.7 - Complex Numbers - Exercise Set: 51

Answer

$17 + 144i$

Work Step by Step

$(9 + 8i)^2 = 81 + 144i + 64i^2 = 81 + 144i + 64(-1) = 17 + 144i$
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