dericative?
2008-01-14 5:47 am
The tangent and normal to the curve having equation x^2+y^2-3xy+4=0 at the point (2,4)?
回答 (1)
2008-01-14 6:51 am
收錄日期: 2021-04-25 17:17:35
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https://hk.answers.yahoo.com/question/index?qid=20080113000051KK04510