\int \frac{d x}{x^4-1} is equal to

Correct Answer is : 14log|x−1x+1|−12tan−1x+C

\frac{1}{4} \log |\frac{x-1}{x+1}{{}/{}|} -\frac{1}{2} \tan ^{-1} x+C

\log |\frac{x-1}{x+1}{{}/{}|} +C

\frac{1}{4} \log | { {\x}-1}/{ {\x}+1}{{}/{}|} +\frac{1}{2} \tan ^{-1} {\x}+ {\C}

\log |\frac{x-1}{x+1}{{}/{}|} -\frac{1}{2} \tan ^{-1} x+C

CGPET 2013 Solved Paper

Section: Mathematics

Question : 125 of 150

Marks: +1, -0

∫‌

x4−1

is equal to

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