y=(8-x^3)*√x производная функция

Y' = ((8-x^3)*√x)' = = (8-x^3)' *√x + (8-x^3)* (√x)' = = -3x^2 *√x + (8-x^3)* 1/2* 1/ √x = = (8-7x^3)/(2√x)