What is the coefficient of `x^(4)` in the expansion of `(1+2x+3x^(2)+4x^(3)+….)^(1//2)` ?

Similar Questions

Explore conceptually related problems

The coefficient of x^(4) in the expansion of (1 + x + x^(2))^(3) is

If |x| lt 1 , then find the coefficient of x^(n) in the expansion of (1+2x+3x^(2)+4x^(3)+….)^(1//2)

What is the coefficient of x^(4) in the expansion of ((1-x)/(1+x))^(2) ?

The coefficient of x^(4) in the expansion of (1-x)^(-2) is

Find the coefficients of x^4 in the expansion of (1+2x+x^2)^3

What is the coefficient of x^(5) in the expansion (1-2x+3x^(2)-4x^(3)+……oo)^(-5) ?

The coefficient of x^(10) in the expansion of (1-2x+3x^(2)-4x^(3)+...oo)^(2) is

The coefficient of x^(4) in the expansion of (1-x-2x^(2))^(8) is

Find the coefficient of x^n in the expansion of (1+ 2x + 3x^2 + 4x^3 + …..)^2