6x²-5x+1=6(x-1/3)(x-1/2)=(2x-1)(3x-1) d=25-24=1 x1=(5-1)/12=1/3 x2=(5+1)/12=1/2 lim(2x-1)(4x²+2x+1)/(2x-1)(3x-1)=lim(4x²+2x+1)/(3x-1)=(4*1/4 +2*1/2 +1)/(3*1/2 -1)= =3:1/2=6