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If x =1 +2+(4)/(2!)+(8)/(3!)+(16)/(4!)+…...

If `x =1 +2+(4)/(2!)+(8)/(3!)+(16)/(4!)+…` then `x^(-1)` is equal to

A

`e^(-2)`

B

`e^(2)`

C

`e^(1//2)`

D

non of these

Text Solution

Verified by Experts

The correct Answer is:
A
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