in factorizing the expression a^4+a^2b^2+b^4,
中文姐係因式分解 a^4+a^2b^2+b^4
竟然唔記得左點做li d 數....
in factorizing the expression a^4+a^2b^2+b^4
2007-10-07 2:41 am
回答 (2)
2007-10-07 5:38 am
✔ 最佳答案
a4+a2b2+b4=a4+2a2b2+b4-a2b2
=(a2+b2)2-(ab)2
=(a2+ab+b2)(a2-ab+b2)
參考: ME
2007-10-07 2:46 am
a^4+a^2b^2+b^4
=4a^3+2a(2b)+4b^3
..........
=4a^3+2a(2b)+4b^3
..........
收錄日期: 2021-04-23 20:00:11
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071006000051KK04017