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For x>0 the sum of the series 1/(1+x)-(1...

For `x>0` the sum of the series `1/(1+x)-(1-x)/(1+x)^2+(1-x)^2/(1+x)^3-....oo` is equal to

A

`1/4`

B

`1/2`

C

`3/4`

D

`1`

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The correct Answer is:
A
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