У=(3х2+12х)(х6-4х) производная
Y=(3x²+12x)(x⁶-4x) y'=(uv)'=u'v+v'u u=3x²+12x u'=6x+16 v=x⁶-4x v'=6x⁵-4 y'=(6x+16)(x⁶-4x)+(6x⁵-4)(3x²+12x)