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: 45

Answer

$12+2i$

Work Step by Step

Step 1: $(7-4i)-[(-2+i)-(3+7i)]$ Step 2: $(7-4i)-[-2+i-3-7i]$ Step 3: $(7-4i)-[-5-6i]$ Step 4: $7-4i+5+6i$ Step 5: $12+2i$
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