1. (x+4)^3+(2x-1)^3
2. 125+8(x+2)^3
3. y^6 - 1
4. 1 + x^6
Thanks for your help and show steps
F.2 Maths Factorize
2013-07-20 5:34 pm
回答 (2)
2013-07-20 7:32 pm
✔ 最佳答案
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2013-07-20 15:59:32 補充：
The factorization is usually over integers only in F.2 level.
參考: My Maths World
2013-07-20 9:51 pm
仲可以再分WO
第4題
x^6+1
=(x^2+1)(x^4-x^2+1)
=(x^2+1)(x^4+2x^2+1-3x^2)
=(x^2+1)[(x^2+1)^2-3x^2]
=(x^2+1)(x^2+1-x開方3)(x^2+1+x開方3)
第4題
x^6+1
=(x^2+1)(x^4-x^2+1)
=(x^2+1)(x^4+2x^2+1-3x^2)
=(x^2+1)[(x^2+1)^2-3x^2]
=(x^2+1)(x^2+1-x開方3)(x^2+1+x開方3)
收錄日期: 2021-04-13 19:34:38
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130720000051KK00046