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The coefficient of x^(p)" in"(1+x)^(p)+(...

The coefficient of `x^(p)" in"(1+x)^(p)+(1+x)^(p+1)+…+(1+x)^(n), p lt n`, is

A

`""^(n+1)C_(p+1)`

B

`""^(n-1)C_(p-1)`

C

`""^(n)C_(p)`

D

`""^(n)C_(p+1)`

Text Solution

Verified by Experts

The correct Answer is:
A
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