求详解!谢谢!

2025-04-11 22:33:22
推荐回答(1个)
回答(1):

用洛必达法则
lim ln(1+x+x²)/x
=lim (1+2x)*1/(1+x+x²)/1
=lim (1+2x)/(1+x+x²)
=1/1
=1