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The sum of the series 1/(2!) - 1/(3!) + ...

The sum of the series `1/(2!) - 1/(3!) + 1/(4!) - ……..` upto infinity is

A

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

B

`e^(1/2)`

C

`e^(-2)`

D

`e^(-1)`

Text Solution

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The correct Answer is:
D
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