作者查詢 / ntnusliver
作者 ntnusliver 在 PTT [ Math ] 看板的留言(推文), 共122則
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2F→: 補個 細節02/07 12:30
1F推: g(x)[g(x)-2]=f(x)q(x) 右式至少2虛根=> 左式也是12/31 09:44
2F→: y=g(x)的頂點y 必須小於212/31 09:44
3F→: 選(4)(5)12/31 09:45
4F→: (3)的反例 g(x)=-x^2+√3 f(x)=-x^2+√3-212/31 09:47
5F→: 抱歉.... 上面想錯了 還要考慮餘式是g(x) 二次式12/31 09:48
6F→: 所以f(x)只能是4次式 g(x)[g(x)-2] 必須全都是虛根12/31 09:49
7F→: g(x) 頂點y必須小於012/31 09:50
4F→: pi/2 其實cosxcosy放分母定義就有問題了05/14 22:21
5F→: 應該是 出題者漏了 把這CASE剃除05/14 22:22
1F推: 算式是對的 題外話 紅色不是正八11/18 11:10
2F推: 藍色是正方形 但紅色不是正八啦...11/20 13:14
3F→: 紅色是正八的話 XA XE要等長 紅色是8個全等3角形11/20 13:15
4F→: 拼起來的圖11/20 13:15
1F推: 後面減的要乘309/05 23:02
1F→: 抱歉 好像同時修 修到推文05/09 08:57
1F推: 組讀書會找幾個人一起讀 裡面許多問題都要大家討論05/04 13:32
2F→: 沒有標準答案的題目 越多人討論可以激發越多思路05/04 13:33
4F推: 最後一行是不是抄錯了 21.875 / 100 = 2.187503/19 16:28
5F→: 上面打錯 2187.5 /100 = 21.875 這樣才對03/19 16:28
1F→: 跟Eliphalet 做法差不多03/01 18:19