1) lim x => 2 x²-12x+20\ x²-4; 2) lim x => -1 x+1\ √x+2| -1 3) lim x => 2 x²-4\x²-x-2; 4) lim x => x5-7x³\2+3x5; 5) limx => 2 x³-6x²+8x\x²-4

railsalim