Answer
$ \frac{7(\sqrt {11}+\sqrt 7)}{2}$
Work Step by Step
$\frac{14}{\sqrt {11}-\sqrt 7}=\frac{14}{\sqrt {11}-\sqrt 7}\times\frac{\sqrt {11}+\sqrt 7}{\sqrt {11}+\sqrt 7}=\frac{14(\sqrt {11}+\sqrt 7)}{11-7}=\frac{7(\sqrt {11}+\sqrt 7)}{2}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter R - Review of Basic Concepts - Test - Page 86: 28
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