Integral Calculus Question 60
Question: $ \int{\frac{dx}{a^{2}-x^{2}}} $ is equal to
[EAMCET 2002]
Options:
A) $ \frac{1}{a}{{\tan }^{-1}}( \frac{x}{a} ) $
B) $ \frac{1}{2a}{{\sin }^{-1}}( \frac{a-x}{a+x} ) $
C) $ \frac{1}{2a}\log ,( \frac{a+x}{a-x} ) $
D) $ \frac{1}{2a}\log ,( \frac{a-x}{a+x} ) $
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Answer:
Correct Answer: C
Solution:
It is a formula.