通過消去下列參數方程t,試求關於x和y的方程。
x=2(t+(1/t)),y=3(t-(1/t))
A-maths!
2007-06-18 1:23 am
回答 (2)
2007-06-18 1:36 am
✔ 最佳答案
x = 2(t+(1/t))x/2 = t+(1/t)
(x/2)^2 = t^2 + 2 + (1/t)^2 .............(1)
y = 3(t-(1/t))
y/3 = t - (1/t)
(y/3)^2 = t^2 - 2 + (1/t)^2 ..............(2)
(1) - (2)
(x/2)^2 - (y/3)^2 = 4 //
2007-06-18 1:41 am
參考: me
收錄日期: 2021-04-23 20:33:54
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070617000051KK02925