4x^2+3y^2+2sqrt2*xy=4
find the distance of major and minor axes.
ellipse
2015-03-04 2:22 am
回答 (1)
2015-03-04 1:41 pm
✔ 最佳答案
Things can get easy by looking at the problem as matrix.圖片參考：https://s.yimg.com/lo/api/res/1.2/GoEjRWoffoVfKwdQrRnLTg--/YXBwaWQ9dHdhbnN3ZXJzO3E9ODU-/http://i187.photobucket.com/albums/x22/cshung/7015030300061_zpsinmx2mkv.png
2015-03-05 01:01:17 補充：
Somehow the prepared image is too big - click on it you will be able to read the whole thing.
收錄日期: 2021-04-23 18:32:40
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150303000051KK00061