二項式係數

2010-01-17 10:33 pm
已知 { (1/x)^(1/3) + [1/(x^2)]^(1/5) } ^ n 展開式裡所有奇數項系數之和為 1024 ,
求展開式的中間項的係數。

回答 (2)

2010-01-17 11:21 pm
✔ 最佳答案
Please see below the calculation:


圖片參考:http://img230.imageshack.us/img230/1774/binomial.png


2010-01-17 15:32:40 補充:
http://img230.imageshack.us/img230/1774/binomial.png

2010-01-24 23:24:34 補充:
上星期買了個2007版MS Office. Word裏面可以入Equation.
2010-01-17 11:24 pm
I cann't see that????

2010-01-17 15:25:13 補充:
Oh I can see it.

2010-01-17 15:26:25 補充:
Correct answer!!

2010-01-17 15:50:28 補充:
D數字是否純粹故弄玄虛?


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