College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Summary, Review, and Test - Review Exercises: 44

Answer

$r\sqrt r$

Work Step by Step

$\sqrt r^{3}=\sqrt (r^{2}\times r)=\sqrt r^{2}\times \sqrt r=r\sqrt r$ We know that $\sqrt r^{2}=r$, because $(r)^{2}=r^{2}$.
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