Limₓ₋ ₍₋₂₎[(2x²+5x+2)/(2x²+2x-4)]=[0/0]=limₓ₋ ₍₋₂₎[(2(x+2)(x+1/2)/(2(x+2)(x-1))]=
=limₓ₋ ₍₋₂₎[(x+1/2)/(x-1)]=(-2+1/2)/(-2-1)=(-3/2)/(-3)=1/2
limₓ₋ ∞[(x³-x²+x-10)/(2x²-3x+11)]=[∞/∞]=
=limₓ₋ ∞[x³(1-1/x+1/x²-10/x³)/(x²(2-3/x+11/x²))]=
=limₓ₋ ∞[x(1-1/x+1/x²-10/x³)/(2-3/x+11/x²)]=∞/2=∞