Question

Производная (х^3+8)/х

Answer 1

$y= frac{x^3+8}{x}$
$y'= frac{3x^2*x-(x^3+8)}{x^2} = frac{3x^3-(x^3+8)}{x^2} = frac{3x^3-x^3-8}{x^2} = frac{2x^3-8}{x^2}$