Answer
$2.9+7.1i$
Work Step by Step
Step 1: $(4.5+2.9i)-(1.6-4.2i)$
Step 2: $(4.5-1.6)+(2.9i+4.2i)$
Step 3: $2.9+7.1i$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 8 - Radical Functions - Chapter Review Exercises - Page 670: 82
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