\int \frac{x^3-1}{x^3+x} \dx=

Correct Answer is : x−logx+12log(x2+1)−tan−1x+c

x-\log x+\log (x^2+1) -\tan ^{-1} x+c

x-\log x+\frac{1}{2} \log (x^2+1) -\tan ^{-1} x+c

x+\log x+\log (x^2+1) -\tan ^{-1} x+c

x+\log x+\frac{1}{2} \log (x^2+1) -\tan ^{-1} x+c

COMEDK Exam 2015 Solved Paper

Question : 155 of 180

Marks: +1, -0

∫‌

x3−1

x3+x

‌dx=

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