Question

найдите производную функции:
y = (x - 1)^2 * sin (x);
y = cos 2x/1 - x^2;

Answer 1

$1); ; y=(x-1)^2cdot sinx\\y'=2(x-1)cdot sinx+(x-1)^2cdot cosx\\2); ; y= frac{cos2x}{1-x^2} \\y'= frac{-2cdot sin2xcdot (1-x^2)-cos2xcdot (-2x)}{(1-x^2)^2} = frac{2x^2, sin2x-2sin2x+2xcos2x}{(1-x^2)^2}$