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(1-(3)/(1!)+(9)/(2!)-(27)/(3!)+...)(1+(3...

`(1-(3)/(1!)+(9)/(2!)-(27)/(3!)+...)(1+(3)/(1!)+(9)/(2!)+(27)/(3!)+....)=`

A

e

B

`e^(2)`

C

`e^(3)`

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
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