Find Sum_{k = 0}^{infty}1/[(k + 1)2^k].
回答 (2)
2007-10-23 3:44 am
2007-10-31 4:17 am
excellent work... clear and simplest method! perfect!
收錄日期: 2021-04-23 17:19:14
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https://hk.answers.yahoo.com/question/index?qid=20071021000051KK02157