int(5(x^(6)+1))/(x^(2)+1)dx...

` int(5(x^(6)+1))/(x^(2)+1)dx`

A

`5 (x^7 +x) tan^(-1) x+c `

B

`x^5 - (5)/(3) x^3 +5x +c`

C

`3x^2 -5x^2 +15 x +c`

D

` 5 tan^(-1) (x^2 +1) + log (x^2 +1)+c`

Verified by Experts

The correct Answer is:

B

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