College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.8 - nth Roots; Rational Exponents - R.8 Assess Your Understanding: 49

Answer

$\displaystyle \frac{\sqrt{2}}{2}$

Work Step by Step

We rationalize the denominator: $\displaystyle \frac{1}{\sqrt{2}}=\frac{1*\sqrt{2}}{\sqrt{2}*\sqrt{2}}=\frac{\sqrt{2}}{2}$
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