更新1:
and part (c) also
更新2:
but in part (c), AM=MA , then MA^r = A^r M why ?
09pure maths paper 1 Q8(b) 10點
回答 (1)
2009-05-22 7:43 am
✔ 最佳答案
As follows:圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/06-4.gif
圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/07-1.gif
2009-05-21 23:45:06 補充：
呢題我考個時就冇做過...
C PART其實都係爆出黎利用AM=MA的關係...我可能寫得步驟多左...但概念很簡單!所以C PART係2分而已...
2009-05-22 19:42:12 補充：
Since AM=MA
Just take one example...
(MA)AA
=(AM)AA
=A(MA)A
=A(AM)A
=AA(MA)
=AAAM
收錄日期: 2021-04-22 00:39:35
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090521000051KK01977