设渐近线方程为y=ax+b.则:a=lim(x→∞){[x+√(x^2-x+1)]/x}=lim(x→∞)[1+√(1-1/x+1/x^2)]=[1+√(1-0+0)]=2.b=lim(x→∞)[x+√(x^2-x+1)-ax]=lim(x→∞)[x+√(x^2-x+...