resolve in the partial fraction
8/x^4+4
我計到 x^4+4=(x^2-2x+2)(x^2+2x+2)
次後
8/x^4+4=a/x^2-2x+2 + b/x^2+2x+2
之後計唔到ans.
中六pure math
2008-09-07 11:25 pm
回答 (2)
2008-09-08 1:14 am
2008-09-08 1:24 am
You may compare with my solution:
http://i295.photobucket.com/albums/mm158/Audrey_hepburn2008/A_Hepburn01Sep071723.jpg
http://i295.photobucket.com/albums/mm158/Audrey_hepburn2008/A_Hepburn01Sep071723.jpg
收錄日期: 2021-04-22 00:37:40
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080907000051KK01445