Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 8 - Cumulative Review - Page 534: 41a

Answer

$\frac{2\sqrt 5}{5}$

Work Step by Step

$\frac{2}{\sqrt 5}\times\frac{\sqrt 5}{\sqrt 5}$ =$\frac{2\times\sqrt 5}{\sqrt 5 \times \sqrt 5}$ =$\frac{2\sqrt 5}{(\sqrt 5)^{2}}$ =$\frac{2\sqrt 5}{5}$
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