1. Find ∑(n=0~∞) { ∑(k=1~4) [1/(8n+k)- 1/(8n+4+k) ] } = ?
2. Find ∑(n=0~∞) [ 1/(6n+1) + 1/(6n+3)+ 1/(6n+5) - 1/(2n+2) ] =?
圖片參考：http://imgcld.yimg.com/8/n/HA06881079/o/701108140000113873442300.jpg
2 infinite series
2011-08-14 8:01 am
回答 (1)
2011-08-15 5:28 am
收錄日期: 2021-04-23 23:24:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110814000051KK00001