JEE MATHEMATICS MCQ: INDEFINITE INTEGRATION

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Application +4 | -1

\int \frac{3 x^2}{x^6+1} d x=

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Correct option: B

\tan ^{-1}\left(x^3\right)+c

Option B is correct because the integral simplifies to

\tan ^{-1}(x^3)+c

after a simple substitution.

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