CAN YOU HELP ME TO PROOF
(k/2k+1)+1/((2k-1)(2k+1)) is equal (k+1)/(2k+3)
about M.I
2007-10-19 8:00 pm
回答 (1)
2007-10-19 8:52 pm
✔ 最佳答案
首先, 呢條唔係 M.I 問題,只係證明 k/(2k+1)+1/((2k-1)(2 k+1)) = (k+1)/(2k+3) 既公式問題
第二,
當 k = 1,
左邊 = k/(2k+1)+1/((2k-1)(2 k+1)) = 1/(2+1)+1/((1)(3)) = 2/3
右邊 = (k+1)/(2k+3) = (1+1)/(2+3) = 2/5
兩邊都唔等...
你話點做??
收錄日期: 2021-04-13 20:02:38
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071019000051KK01383