very urgent!!!(pure)

2010-08-25 7:42 pm
1(a) Evaluate ∫(-1à0) [1/(1+x²)]dx
(b) Using (a) to evaluate
lim(nà∞) Σ(k=1à2n) [1/1+(-1+k/2n)²] x 1/n

2(a) Evaluate ∫(1à3) lnx dx
(b) Using (a) to evaluate
lim(nà∞) Σ(k=1à6n) (1/n) ln(1+k/3n)

回答 (1)

2010-08-29 1:20 am


收錄日期: 2021-04-22 00:55:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100825000051KK02079

檢視 Wayback Machine 備份