Answer
$3r\sqrt 2$
Work Step by Step
$\sqrt{ 6}r\sqrt {3r}=\sqrt {(6r)(3r)}=\sqrt {18r^2}=3r\sqrt 2$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Test: 6
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