X →∞, Lim [(x ˇ 2 / 1 + x) + ax-b] = 1, then a=__ ,b=__ .

X →∞, Lim [(x ˇ 2 / 1 + x) + ax-b] = 1, then a=__ ,b=__ .


a=-1 b=-2
After the same score, let the coefficient of x ^ 2 be zero, and let the coefficient of X be 1