Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 2 - Section 2.1 - Complex Numbers - Exercise Set - Page 314: 1

Answer

$8 - 2i$

Work Step by Step

$7 + 2i + 1-4i$ $ = 7 + 1 + 2i - 4i$ $ = 8 - 2i$
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