If `C_(0),C_(1), C_(2),...,C_(n)` denote the cefficients in
the expansion of `(1 + x)^(n)`, then
`C_(0) + 3 .C_(1) + 5 . C_(2)+ ...+ (2n + 1) C_(n) = ` .

Options

A. `2^(n)`
B. `2^(n)+n*2^(n-1)`
C. `2^(n)*(n+1)`
D. None of these

Answer

C