If n is a positive integer, then the coefficient of `x^n` in the expansion of `((1+2x)^n)/(1-x)` is

Coefficient of x^(n) in the expansion of ((1+x)^(n))/(1-x)

Coefficient of x^(n) in the expansion of ((1+x)^(n))/(1-x)

Coefficient of x^n in the expansion of (1+x)^(2n) is

If n is a positive integer then the coefficient of x ^(-1) in the expansion of (1+x) ^(n) (1+ (1)/(x)) ^(n) is-

If n is a positive integer, find the coefficient of x^(-1) in the expansion of (1+x)^n(1+1/x)^ndot

The coefficient of x^n in the expansion of (1+x)(1-x)^n is

The coefficient of x^n in the expansion of (1+x)(1-x)^n is

if n is a positive integer,find the co-efficient of x^(n) in the expansion of ((3x-2)^(n))/((1-x)^(2))

The coefficient of x^(n) in the expansion of (1+x)(1-x)^(n) is