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

Find the coefficient of x^(4) in the expansion of (1+x)^(n)*(1-x)^(n)

Find the coefficient of x^4 in the expansion of (1+x)^n(1-x)^n

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,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)

Find the coefficient of x^(n) in the expansion of (1+x)(1+x)^(n).

Find the coefficient of \ x^m in the expansion of (x+1/x)^ndot

Find the coefficient of x^n in the expansion of (1+x)(1+x)^ndot

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