use the results of factorize a^3-a^2b+ab^2
and a^2b-ab^2+b^3,
factorize a^3+b^3
Factorization?
2016-08-22 1:04 pm
回答 (2)
2016-08-22 1:53 pm
✔ 最佳答案
Sola^3－a^2b+ab^2=a(a^2－ab+b^2)
a^2b－ab^2+b^3=b(a^2－ab+b^2)
a^3+b^3
=(a^3－a^2b+ab^2)+(a^2b－ab^2+b^3)
=a(a^2－ab+b^2)+b(a^2－ab+b^2)
=(a+b)(a^2－ab+b^2)
2016-10-13 1:03 am
(a+b)(a^2-ab+b^2)
收錄日期: 2021-04-18 15:36:14
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160822050433AAR7gC4