Question

производная x/4 и
производная x/4 + 1/x-5

Answer 1

$1) y'=( frac{x}{4} )'= frac{1}{4}$

$2) y'=( frac{x}{4}+ frac{1}{x-5})'=( frac{x}{4})'+(frac{1}{x-5})'=$
$= frac{1}{4}+( frac{-(x-5)'}{(x-5)^2})= frac{1}{4}+(- frac{1}{(x-5)^2})$