lim (n^2+1)/(3-n^2) =n为无穷大

分类: 作业答案 • 2021-12-19 17:16:48

问题描述：

lim (n^2+1)/(3-n^2) =
n为无穷大

答

lim (n^2+1)/(3-n^2) = 1im(1+1/n^2)/(3/n^2-1)=1/-1=-1