Question

2x-3/5-2x Вычесть производную

Answer 1

$y=\frac{2x-3}{5-2x}=-\frac{2x-3}{2x-5}=-1-\frac{2}{2x-5}\\\\y'=-0-\frac{-2\cdot (2x-5)'}{(2x-5)^2}=\frac{2\cdot 2}{(2x-5)^2}=\frac{4}{(2x-5)^2}$