1. x^2 + 2xy + 3y^2 = 1, prove that d^2y / dx^2 = -2/ (x + 3y)^3
2. If ax^2 + 2hxy + by^2 = 0 , prove that d^2y / dx^2 = 0
Differentiation (急)
2008-08-25 9:02 pm
回答 (1)
2008-08-25 11:30 pm
✔ 最佳答案
1.圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung/Aug08/Crazydiff9.jpg
2.
圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung/Aug08/Crazydiff10.jpg
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
參考: My Maths knowledge
收錄日期: 2021-04-14 20:51:58
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080825000051KK01180