Question

Вычислите производную функции y=(x^2-3x)cosx

Answer 1

${y}^{l} = ( {x}^{2} - 3x) {}^{l} cos(x ) + ( {x}^{2} - 3x)( cos(x)) {}^{l} = \ (2x - 3) cos(x) - ( {x}^{2} - 3x) sin(x)$