Dear all,
Hi, can anyone help with the file linked below the question 3(b)?
http://www.sendspace.com/file/a7052p
I look forward to hearing from a complete answer.
Simon YAU.
HKHLE Pure Math
2014-03-12 7:24 pm
回答 (1)
2014-03-12 9:41 pm
✔ 最佳答案
You can download the answer inhttp://www.sendspace.com/file/k2t0sp
2014-03-12 14:28:09 補充：
For n is an odd number,
(A-B)^n
=A^n + (-1)^n B^n
=A^n - B^n
=(a+d)^(n-1) A - (a+d)^(n-1) B
=(a+d)^(n-1) (A-B)
∴(A-B)^n=(a+d)^(n-1) (A-B)
收錄日期: 2021-04-13 20:17:17
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140312000051KK00053