Coefficient of `x^n` in `((1+x)(1+2x)(1+3x))/((1-x)(1-2x)(1-3x))` is

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

The coefficient of x^(n) in (1)/((1-2x)(1-3x)) is

Find the coefficient of x^(n) in the expansion of (1)/((1-x)(1-2x)(1-3x))

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

The coefficient of x^(2) in (1)/((1-2x)(1-3x)) is

Prove that the coefficient of x^n in the expansion of 1/((1-x)(1-2x)(1-3x))i s1/2(3^(n+2)-2^(n+3)+1)dot

Prove that the coefficient of x^n in the expansion of 1/((1-x)(1-2x)(1-3x))i s1/2(3^(n+2)-2^(n+3)+1)dot

Prove that the coefficient of x^n in the expansion of 1/((1-x)(1-2x)(1-3x))i s1/2(3^(n+2)-2^(n+3)+1)dot