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If S = sum(n=1)^(oo) [(""C(0) + ""^(n) C...

If `S = sum_(n=1)^(oo) [(""C_(0) + ""^(n) C_(1) + ""^(n)C_(2) + ... " "^(n)C_(n))/(""^(n)P_(n))]` then S =

A

2e

B

`2e-1`

C

`2e+1`

D

None of these

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The correct Answer is:
D
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