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The sum of the series 1+3x+6x^2+10x^3+...

The sum of the series
`1+3x+6x^2+10x^3+…infty` will be

A

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

B

`1/(1-x)`

C

`1/((1+x)^2)`

D

`1/((1+x)^3)`

Text Solution

Verified by Experts

The correct Answer is:
D
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