Answer
$\color{blue}{\sqrt{42pqr}}$
Work Step by Step
Use the rule $\sqrt{a}\cdot \sqrt{b}=\sqrt{ab}, a\gt0, b\gt0$ to obtain:
$=\sqrt{14(3pqr)}
\\=\color{blue}{\sqrt{42pqr}}$
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 R - Review of Basic Concepts - R.7 Radical Expressions - R.7 Exercises - Page 75: 45
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