識一題都幫下手,thx~~
1) Q is a varible point on the curve xy=4. OQ is joined and produced to P such that PQ=(1/2)OQ, where O is the origin. Find thw equation of the locus of P.
2) A line passing through the point (1,0) cuts the curve y²=4x at two points A and B. Find the equation of the locus of the mid-point of AB as the line moves.
急~Amath~help!!!
2007-09-24 10:55 pm
回答 (1)
2007-09-24 11:22 pm
✔ 最佳答案
(1)圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung/Sep07/Crazycoord42.jpg
(2)
圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung/Sep07/Crazycoord43.jpg
參考: My Maths knowledge
收錄日期: 2021-04-13 19:04:37
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https://hk.answers.yahoo.com/question/index?qid=20070924000051KK01453