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1 + ""^2C1x + ""^3C2 x^2+ ""^4C3 x^3 + …...

`1 + ""^2C_1x + ""^3C_2 x^2+ ""^4C_3 x^3 + …..` to ` oo` terms can be summed up if

A

16

B

8

C

`16/81`

D

15

Text Solution

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The correct Answer is:
A
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