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1-(2)/(1!)+(4)/(2!)-(8)/(3!)+....=...

`1-(2)/(1!)+(4)/(2!)-(8)/(3!)+....=`

A

e

B

`e^(2)`

C

`e^(-1)`

D

`e^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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