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: 11

Answer

$12-10i$

Work Step by Step

Step 1: $12-\sqrt {-100}$ Step 2: $12-\sqrt {-1\times100}$ Step 3: $12-(\sqrt {-1}\times\sqrt {100})$ Step 4: $12-(i\times10)$ Step 5: $12-10i$
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