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int(1+2x+3x^(2)+4x^(3).....)dx=....+c(|x...

`int(1+2x+3x^(2)+4x^(3).....)dx=....+c(|x| lt 1)`

A

`(1-x)^(-1)`

B

`(1-x)^(-1)`

C

`(1-x)^(-2)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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