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The value of ""^(n)P(1)+(""^(n)P(2))/(2!...

The value of `""^(n)P_(1)+(""^(n)P_(2))/(2!)+(""^(n)P_(3))/(3!)+......+(""^(n)P_(n))/(n!)`

A

`2^(n)`

B

`2^(n)+1`

C

`2^(n)-1`

D

`2^(n-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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