當x->無限大，求lim(x+cosx)/(x+1)?
回答 (1)
2018-01-28 7:12 pm
✔ 最佳答案
Sol1>=Cosx>=-1
lim(x->∞)_(x+Cosx)/(x+1)
=lim(x->∞)_(x/x+Cosx/x)/(x/x+1/x)
=lim(x->∞)_(1+Cosx/x)/(1+1/x)
=1/1
=1
收錄日期: 2021-04-30 22:36:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20180128054702AAVhwDf