Answer
$\frac{\sqrt {55mn}}{11n}$
Work Step by Step
$\sqrt \frac{5m}{11n}$
=$\frac{\sqrt {5m}}{\sqrt {11n}}\times\frac{\sqrt {11n}}{\sqrt {11n}}$
=$\frac{\sqrt {5m\times11n}}{\sqrt {11n}\times\sqrt {11n}}$
=$\frac{\sqrt {55mn}}{11n}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Section 10.5 - Rationalizing Numerators and Denominators of Radical Expressions - Practice - Page 713: 4
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