→ Ricestone : 黎曼和 從0~1對(1+x)積分 04/03 22:18
→ Ricestone : 當然如果想要的話,直接算極限也可以 04/03 22:20
→ Ricestone : sigma(1)=n sigma(k/n)=(n+1)/2 04/03 22:22
抱歉,我不太懂@@ 可以再詳細說明嘛
※ 編輯: s035280236 (110.50.177.85 臺灣), 04/03/2020 22:31:12
→ Ricestone : sigma(1+k/n) = sigma(1) + sigma(k/n) 04/03 22:39
→ Ricestone : sigma(1) = 1+...(n個)...+1 = n 04/03 22:40
→ Ricestone : sigma(k/n) = (1/n)*sigma(k) = (1/n)*(1+...+n) = 04/03 22:40
→ Ricestone : (1/n)*n*(n+1)/2 = (n+1)/2 04/03 22:41
謝謝! 我懂了
※ 編輯: s035280236 (110.50.177.85 臺灣), 04/03/2020 22:56:43