lim x->1 (2x^3 - 3x + 1)/(2 - 2x^2) bằng: 1/2; 1/4; -1/413/23limx→12x3-3x+12-2x2 bằng: 1/21/4-3/4-1/2Giải thíchChọn C limx→12x3−3x+12−2x2=limx→1x−12x2+2x−1−2x−1x+1=limx→12x2+2x−1−2x+1=−34