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

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

The coefficient of x^(n) in the expansion of ((1+x)^(2))/((1 - x)^(3)) , is

The coefficient of x^(n) in the expansion of ((1+x)^(2))/((1 - x)^(3)) , is

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

The coefficients of x^(n) in the expansion of (1+x)^(2n) and (1+x)^(2n-1) are in the ratio

If A and B are coefficients of x^(n) in the expansion of (1+x)^(2n) and (1+x)^(2n-1) respectively, then A/B equals:

If A and B are coefficient of x^(n) in the expansions of (1+x)^(2n) and (1+x)^(2n-1) respectively , then A/B equals to

If A and B are coefficients of x^(n) in the expansion of (1+x)^(2n) and (1+x)^(2n-1) respectively, then find the value of (A)/(B) .