3) y = (4x3 – 9x2 + 3x – 1/3)4
[m]y`=4\cdot (4x^3-9x^2+3x-\frac{1}{3})^3\cdot (4x^3-9x^2+3x-\frac{1}{3})`[/m]
[m]y`=4\cdot (4x^3-9x^2+3x-\frac{1}{3})^3\cdot (12x^2-18x+3)[/m]
[m]y`=4\cdot (12x^2-18x+3)\cdot (4x^3-9x^2+3x-\frac{1}{3})^3[/m]