Answer
1/10
Work Step by Step
$\lim\limits_{a \to 25} ( \sqrt x -5 )/(x-25) =
((\sqrt x +5)(\sqrt x-5))/((\sqrt x+5)(x-25)=
1/(\sqrt x+5)=
1/(5+5)= 1/10$
Calculus with Applications (10th Edition)
by Lial, Margaret L.; Greenwell, Raymond N.; Ritchey, Nathan P.
Published by
Pearson
ISBN 10:
0321749006
ISBN 13:
978-0-32174-900-0
Chapter 3 - The Derivative - 3.1 Limits - 3.1 Exercises - Page 137: 39
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