Question

Найти производную y=2x^2\x2-5

Answer 1

$y'= (\frac{2x^2}{x^2-5} )'= \frac{4x*(x^2-5)-4x^2*x}{(x^2-5)^2} = \frac{4x^3-20x-4x^3}{(x^2-5)^2} = \frac{-20x}{(x^2-5)^2}$