Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 8 - Section 8.1 - Complex Numbers - 8.1 Problem Set - Page 426: 56



Work Step by Step

$a(b+c)=ab+ac$ (Distribute the 6i in the parenthesis) $=6i· 3+6i· 8i$ $18i+48i^{2}$ $i^{2}=-1$ $18i-48$
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