Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 8 - Complex Numbers, Polar Equations, and Parametric Equations - Section 8.1 Complex Numbers - 8.1 Exercises - Page 357: 56

Answer

$12+4i$

Work Step by Step

$(4-i)+(8+5i)=4+8+(-1+5)i=12+(4)i=12+4i$
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