Lim x→-1 5x^2+4x-1\3x^2+x-2
5х²+4х-1=0
Д=16+20=36
х=-1;х=1/5
5х²+4х-1=5(х-1/5)(х+1)=(5х-1)(з+1)
3х²+х-2=0
Д=1+24=25
х=-1;х=2/3
3х²+4х-2=3(х-2/3)(х+1)=(3х-2)(х+1)
lim(5x-1)(x+1)/(3x-2)(x+1)=lim(5x-1)/(3x-2)=(5*(-1)-1)/(3*(-1)-2)=-6/-5=6/5