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The value of int(e^(x)((1+x^(2))tan^(-1)...

The value of `int(e^(x)((1+x^(2))tan^(-1)x+1))/(x^(2)+1)dx` is equal to

A

a.`e^(x)tan^(-1)x+c`

B

b.`tan^(-1)(e^(x))+c`

C

c.`tan^(-1)(x^(e))+c`

D

d.`e^(tan^(-1)x)+c`

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The correct Answer is:
A
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