Find the sum of 1/(1!(n-1)!)+1/(3!(n-3))...

Find the sum of `1/(1!(n-1)!)+1/(3!(n-3))=1/(5!(n-5))+ ,`

A

`(2^(n))/(n!)`, for all even values of n

B

`(2^(n-1))/(n!)` , for all values of n i.e., all even, odd values

C

0

D

None of these

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The correct Answer is:

B

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