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: 79

Answer

$10-3i$

Work Step by Step

$2z_{1}+3z_{2}$ =$2(2+3i)+3(2-3i)$ =$4+6i+6-9i$ =$4+6+6i-9i$ =$10-3i$
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