Find the following sum: 1/(n !)+1/(2!(n-...

Find the following sum: `1/(n !)+1/(2!(n-2)!)+1/(4!(n-4)!)+. . . .`

A

`(2^(n))/(n!)`

B

`(2^(n-2))/((n-1)!)`

C

`(2^(n-1))/((n-2)!)`

D

`(2^(n-1))/(n!)`

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The correct Answer is:

D

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