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Q.∫x2+1x4+x2+1 dx\int \dfrac{x^2 + 1}{x^4 + x^2 + 1} \, dx equals

a
tan⁡−1x−1x+C\tan^{-1} x - \dfrac{1}{x} + C
b
tan⁡−1x+1x+C\tan^{-1} x + \dfrac{1}{x} + C
c
tan⁡−1(x−1/x)+C\tan^{-1} (x - 1/x) + C
d
tan⁡−1(x+1/x)+C\tan^{-1} (x + 1/x) + C

Correct Answer: Option D

The correct solution involves applying the fundamental concept to derive the final value step by step...

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