lim[(3n²+n+5)/(n³+3n+1)]的解法
人气:271 ℃ 时间:2020-05-11 10:21:50
解答
分子分母同时除以n^3,得到:
lim(3/n+1/n^2+5/n^3)/(1+3/n^2+1/n^3)=0
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