1.x^6-y^6
2.(x+y^)^6*(x-y)^6
f.3factorized數
2006-10-28 4:44 am
回答 (2)
2006-10-28 6:32 am
✔ 最佳答案
1)x^6-y^6=(x^3)^2 - (y^3)^2
=(x^3 + y^3)(x^3 - y^3)
2006-10-27 22:34:15 補充：
(x^3 + y^3)=(x+y)(x^2 - xy+y^2)(x^3 - y^3)=(x-y)(x^2 + xy+y^2)
2006-10-28 6:33 am
x^6-y^6
= (x^2)^3 - (y^2)^3
= (x^2-y^2)[(X^2)^2+(X^2*Y^2))(y^2)^2]
= (x^2)^3 - (y^2)^3
= (x^2-y^2)[(X^2)^2+(X^2*Y^2))(y^2)^2]
收錄日期: 2021-04-26 12:01:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061027000051KK03739