∫1/(x2 - a2) dx = (a) (1/2a) log|(x - a)/(x + a)| (b) (1/2a) log|( – InterviewSolution

1.	∫1/(x2 - a2) dx = (a) (1/2a) log\|(x - a)/(x + a)\| (b) (1/2a) log\|(x + a)/(x - a)\| (c) log(x + √(x2 - a2))(d) log(x + √(x2 + a2))
Answer» Answer is (b) (1/2a) log\|(x + a)/(x - a)\|

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