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: 80



Work Step by Step

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