2) f'(x) = 2/3 *x^-1/3 + 8/x³= 2/(3∛x) + 8/x³
3) f'(x) = 2(3-x²)*(-2x) = -4x(3 - x²)
4) f (x) = 8x² -6x +4x -3 = 8x² -2x -3
f'(x) = 16x -2
5)f'(x) =(5(2x-3) - 2(5x -2))/(2x +3)² = (10x -15 -10x+4)/(2х +3)² =
=-11/(2х +3)²
6) f'(x) = -3/x² +2/√x -28x³ +5