Answer
13
a) (1-i)/2
b)(3+i)/10
c)(-1-4i)/34
Work Step by Step
13
a)$1/(1+i) = 1/(1+i) * (1-i)/(1-i) = (1-i)/2$
b)$1/(3-i) = 1/(3-i) * (3+i)/(3+i) = (3+i)/(9+1) = (3+i)/10$
c)$1/(-2+8i) = 1/(-2+8i) * (-2-8i)/(-2-8i) = (-2-8i)/68 = (-1-4i)/34$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - P.S. Problem Solving - Page 158: 13
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