Pure Math Past Paper 93

👨🏻‍🏫 學術台數學

Preesa

2010-06-10 9:05 am

It's one of past paper questions. Please click the following link:

http://hk.myblog.yahoo.com/preesa123/photo?pid=5198&fid=2&action=prev

I'd like to ask if my work is correct or not. If not, why? Thank you.

圖片參考：http://us.f6.yahoofs.com/hkblog/0JCFQaeCAhKz0V3YY6XfyEM-_2/blog/20100610125211227.jpg?TTAyXEMBAv3X.JMC

更新1:

One more problem please. How did you write your work? Which programme did you use? Thank you.

回答 (3)

STEVIE-G™

2010-06-11 7:18 pm

✔ 最佳答案

But for your R.H.S. side, the upper limit of the summation should be n+1.

2010-06-11 11:18:40 補充：
From your last step:

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/04-57.jpg

2010-06-11 11:18:46 補充：
http://i707.photobucket.com/albums/ww74/stevieg90/04-57.jpg

2010-06-12 00:38:40 補充：
用Microsoft Word的方程式編輯器3.0~
按「插入」>「物件」就會搵到~

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Preesa

2010-06-11 12:42 am

Thank you so much for your answer. Actually, I looked at the marking before but I'm not sure whether my work is correct or not.

👍 0 👎 0

用戶7639

2010-06-10 7:21 pm

http://a.imagehost.org/0008/ScreenHunter_01_Jun_10_11_19.gif

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