Evaluate: int(1+2x+3x^2+4x^3+)dx ,(<|x|<...

Evaluate: `int(1+2x+3x^2+4x^3+)dx ,(<|x|<1)`

A

`(1+x)^(-1)+c`

B

`(1-x)^(-1)+c`

C

`(1-x)^(-1)-x+c`

D

`(1+x)^(-1)+x+c`

Verified by Experts

The correct Answer is:

B

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