Answer
$7\sqrt 7+7\sqrt 5$
Work Step by Step
$\frac{14}{\sqrt 7-\sqrt 5}=\frac{14(\sqrt 7+\sqrt 5)}{(\sqrt 7-\sqrt 5)(\sqrt 7+\sqrt 5)}=\frac{14(\sqrt 7+\sqrt 5)}{7-5}=\frac{14(\sqrt 7+\sqrt 5)}{2}=7(\sqrt 7+\sqrt 5)=7\sqrt 7+7\sqrt 5$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Review Exercises - Page 143: 53
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
