Question

Найдите производную функции
y=2-x^2/x

Answer 1

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

Answer 2

позно