Answer
$\frac{42-i}{50}$
Work Step by Step
$\frac{4}{(2+i)(3-i)}$=$\frac{4}{6+i+1}$=$\frac{6}{7+i}$=$\frac{42-i}{49+1}$=$\frac{42-i}{50}$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 1 - Equations and Inequalities - Exercise Set 1.4 - Page 143: 75
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