Answer
Integration by trigonometric substitution; $ x=\tan \theta $.
Work Step by Step
We can solve this integral by using trig substitution. We choose the substitution as: $ x=\tan \theta $.
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 8 - Techniques of Integration - 8.6 Strategies for Integration - Preliminary Questions - Page 431: 2
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