數學知識交流- Recursive Sequence (1)

2012-11-03 5:03 am

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文字版:

(1) Given that a_1=1/2 and a_n=a_(n-1)+1/(n^2-1), find the generalterm a_n.(2) Find the general term of the sequence {a_n } defined by a_1=2k, and a_n=2k-k^2/a_(n-1) .

回答 (2)

2012-11-03 7:12 am
✔ 最佳答案

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http://i1099.photobucket.com/albums/g395/jasoncube/.png

2012-11-02 23:13:26 補充:
Q2, 1st line, last bracket:
(n - 1 "k²")

2012-11-03 14:36:03 補充:
甲 乙 丙 丁 是甚麼?

2012-11-06 17:08:07 補充:
ANS of Q1,2:
http://i1099.photobucket.com/albums/g395/jasoncube/1-5.png
參考: My Maths World
2012-11-03 7:39 pm
評價評分:

甲:16 + 8 + 8 + 1 + 1 = 34
乙:5 + 3 + 2 + 2 + 1 = 13
丙:5 + 3 + 2 + 2 = 12
丁:7

66/100

2012-11-03 18:21:48 補充:
Re ✡ HYPERCUBE ✡ :

秘密!

2012-11-03 18:31:47 補充:
66/100 ... B-


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