Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 8 - Radical Functions - 8.5 Complex Numbers - 8.5 Exercises: 56

Answer

$9-3i$

Work Step by Step

$\frac{45-15i}{5}=\frac{5(9-3i)}{5}=9-3i$
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