Suppose f(x) is a polynomial of x.If f(x) has a remainder of 3 when it is divided by 2(x-1) and 2f(x) has a remainder of -4 when it is divided by 3(x+2).Thus when 3f(x) í divided by 4(\(x^2\) +x-2),the remainder is ax+b,where a and b are constants.Then a+b=...............
