Find the value of the sum
n
Σ i (i+1)(i+2)
i=1
Calculus
2015-03-23 3:24 pm
回答 (1)
2015-03-23 4:20 pm
✔ 最佳答案
答案如下：圖片參考：https://s.yimg.com/lo/api/res/1.2/r.QCi9u0F3hhNcVDTaCpBA--/YXBwaWQ9dHdhbnN3ZXJzO3E9ODU-/https://farm9.staticflickr.com/8736/16277554474_b95590ac9a_o.png
https://farm9.staticflickr.com/8736/16277554474_b95590ac9a_o.png
參考: pingshek
收錄日期: 2021-04-26 17:06:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150323000051KK00019