Answer
$\frac{\sqrt 7}{ 7}$
Work Step by Step
$\frac{1}{\sqrt 7}$
= $\frac{1\times{\sqrt 7}}{\sqrt 7\times{\sqrt 7}}$
= $\frac{\sqrt 7}{ 7}$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.3 - Page 48: 45
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