作者查詢 / APM99
作者 APM99 在 PTT [ Math ] 看板的留言(推文), 共922則
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1F推: 從極限正式定義學起06/06 14:34
3F→: 關鍵字 假設檢定05/17 22:48
10F推: excel05/15 20:41
7F推: 請問 1. f(x) = 無定義,當1<x<504/28 18:10
8F→: 2. 求 lim(x->3)f(x) ; 題目是這樣嗎04/28 18:10
13F推: 先學熟本身的定義再來討論這種問題吧04/30 02:51
14F→: 討論這種問題只能純正的按照定義來04/30 02:52
2F推: 乘開之後 另右邊為du 即可04/27 15:40
3F→: 話說 你綠色字的筆記寫錯了04/27 15:40
4F→: 你du微分微錯 結果不同的原因純粹是計算錯誤04/27 15:41
9F推: u=sec2 x , du 不是你寫的那個04/27 17:02
10F推: sor,我的錯,我忽略掉了常數項04/27 17:24
11F→: 不定積分後面寫上 +c 這兩個答案就會是一樣的04/27 17:25
4F推: 請試證 lim(x->2) x^2 = 404/26 20:26
5F→: 命題為假04/24 18:37
10F→: 假命題 只需提出反例即可,如同二樓所做的04/24 19:50
11F→: 數學競賽題目本來就那樣 台灣數學教育也偏向那一塊04/24 18:39
10F推: 換成無窮大來證明 條件比較鬆會導致比較鬆的結果04/20 18:22
11F→: 證明有界 變成 證明非無限04/20 18:24