The problem is lnx-1/1-x c=1
I got the answer 'yes' and the type I'm not so sure about the form, because I plugged in c and got -1/0, but supposedly the answer is 0/0
收錄日期: 2021-04-21 18:07:25
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160419055325AAmHfJp