it is known that
lim(ln x) = ln(lim x)
since nature log function is continuous on (0,infinity)
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but why? are there any proof?
收錄日期: 2021-04-23 20:05:21
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071212000051KK04615