The first 3 terms in the expansion of `(a - 5x)^-2` are `1/4+5/4x+bx^2`. Find the value of `a,` the value of `b` and the term in `x^3`?

The first 3 terms in the expansion of (1+ax)^(n) are 1-24x+384x^(2) Find the value of a and the value of n. b Hence find the term in x^(3)

State, first three terms in the expansion of (5 + 4x)^(-1/4)

State, first four terms in the expansion of (5 + 4x)^(-1//2)

Write down the first 3 terms in the expansion of (1+4x)^(-4)

Find the fifth term in the expansion of (x2 - 4/x^3)^11

Prove that : Write the first 3 terms in the expansion of (4-5x)^(-1//2)

Write down the first three terms in the expansion of (5 - 4x)^(2//3)

Find the general term in the expansion of (4 + 5x)^(-3//2)

Write the general term in the expansion of (3 - (5x)/(4))^(-1//2)

Find the 4 th term in the expansion of (1-2x)^((3)/(2))