limx趋向0+e^x-1+x^2arctan1/x/1-cosx
问题描述：
limx趋向0+e^x-1+x^2arctan1/x/1-cosx
答
lim(e^x-1+x^2arctan1/x)/(1-cosx)=lim(e^x+2xarctan1/x-x^2/(1+x^2))/sinx=无穷答案是2e的说～～～你把题目的括号写清楚
limx趋向0+e^x-1+x^2arctan1/x/1-cosx
lim(e^x-1+x^2arctan1/x)/(1-cosx)=lim(e^x+2xarctan1/x-x^2/(1+x^2))/sinx=无穷答案是2e的说～～～你把题目的括号写清楚