The coefficient of `x` in `x/((x-a)(x-b))` is

Coefficient of x in 3x

The coefficient of x in 8-x+y is

The coefficient of x in (x^2 +(c )/(x))^5 is

If the coefficient of x^7 in (x^2+1/(bx))^11 is equal to coefficient at x^-7 in (x+1/(bx^2))^11 Then find value of b

The coefficient of x in (x^2 + a/x)^5 is 270 then a =

The coefficient of x in (x^2 + a/x)^5 is 270 then a =

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