Answer
$\sqrt{21xy}$
Work Step by Step
Simplify. $\sqrt {3x}\sqrt{7y}$
Thus,
As per the product rule, we have $\sqrt[n] {pq}=\sqrt[n] {p}\sqrt[n] {q}$
$\sqrt {3x}\sqrt{7y}=\sqrt{(3x)(7y)}=\sqrt{21xy}$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 7 - Review Exercises - Page 576: 33
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