Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 11 - Cumulative Review: 31


$\frac{7}{3\sqrt {35}}$

Work Step by Step

$\frac{\sqrt 7}{\sqrt {45}}\times\frac{\sqrt 7}{\sqrt 7}$ =$\frac{\sqrt 7\times\sqrt 7}{\sqrt {45}\times\sqrt 7}$ =$\frac{7}{\sqrt {45\times7}}$ =$\frac{7}{\sqrt {315}}$ =$\frac{7}{\sqrt {9\times35}}$ =$\frac{7}{3\sqrt {35}}$
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