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09pure maths paper 1 Q8(b) 10點
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how to solve 2009 pure maths paper 1 Q8 part(b) 更新: and part (c) also 更新 2: but in part (c), AM=MA , then MA^r = A^r M why ?
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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
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