Answer
$$\frac{1}{3}$$
Work Step by Step
$\frac{\sqrt{-8}}{\sqrt{-72}}=\frac{i\sqrt{8}}{i\sqrt{72}}$
$(\frac{i}{i})(\sqrt {\frac{8}{72}})$
$\sqrt{\frac{1}{9}}$
$$\frac{1}{3}$$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 1 - Equations and Inequalities - 1.3 Complex Numbers - 1.3 Exercises - Page 112: 38
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