Question

Найдите производную функции 3-5x/4x-1

Answer 1

$y=\frac{3-5x}{4x-1}\\\\y'=\frac{-5\cdot (4x-1)-(3-5x)\cdot 4}{(4x-1)^2}=\frac{-20x+5-12+20x}{(4x-1)^2}=-\frac{7}{(4x-1)^2}$