overset(n)underset(r=1)Sigma overset(r=1...

`overset(n)underset(r=1)Sigma overset(r=1)underset(p=0)Sigma ""^(n)C_(r). ^(r)C_(p).2^(p)` is equal to

A

`4^(n)-3^(n)+1`

B

`4^(n)-3^(n)-1`

C

`4^(n)-3^(n)+2`

D

`4^(n)-3^(n)`

Text Solution

Verified by Experts

The correct Answer is:

D

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