F.3 coordinates
2008-06-15 4:16 am
回答 (1)
2008-06-15 4:23 am
✔ 最佳答案
唔好copy,我係最早答.Let P be (0,z)
AP:PB=1:y
y-coordinate(P)=((-1)(y)+(5)(1))/(1+y)
y=5
AP:PB=1:5
B
收錄日期: 2021-04-13 15:43:16
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https://hk.answers.yahoo.com/question/index?qid=20080614000051KK02481