AMATH--LOCUS

👨🏻‍🏫 學術台數學

2008-03-17 7:51 pm

A variable 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 the equation of the locus of P

回答 (2)

2008-03-17 7:54 pm

✔ 最佳答案

let Q= (t, 4/t)

P= (t/2, 2/t)

therefore xy=1

👍 0 👎 0

2008-03-17 8:14 pm

i still not understand how to find the equation..sorry..
can you more details?

👍 0 👎 0

收錄日期: 2021-04-13 15:18:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080317000051KK00825

檢視 Wayback Machine 備份