НАЙДИТЕ ПРОИЗВОДНУЮ! (x^2)/(3-4x)
(2x(3-4x)-x^2*(-4))/(3-4x)^2=(6x-8x^2+4x^2)/(3-4x)^2= =(6x-4x^2)/(3-4x)^2=2x(3-2x)/(3-4x)^2