d question3
回答 (2)
2007-10-21 11:55 pm
2007-10-21 11:51 pm
d/dx e^(2lnx+2)
=e^(2lnx+2) * 2/x
= [2e^(2lnx+2)] / x
=e^(2lnx+2) * 2/x
= [2e^(2lnx+2)] / x
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https://hk.answers.yahoo.com/question/index?qid=20071021000051KK02835