∫ {(x^2-1)}/{(x^2+1)\sqrt{x^4+1} dx is equal to

Correct Answer is : 1√2sec−1(x2+1√2x) + c

\sec^{-1} (\frac{x^2+1}{\sqrt2x}) + c

1/\sqrt2 \sec^{-1} (\frac{x^2+1}{\sqrt2x}) + c

1/\sqrt2 \sec^{-1} (\frac{x^2+1}{\sqrt2}) + c

BITSAT 2013 Paper

Section: Mathematics

Question : 113 of 150

Marks: +1, -0

∫

(x2−1)

(x2+1)√x4+1

dx is equal to

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