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12F→: 原po 答案微分得到的是 (1/2)*sqrt(4-x^2) 所以原題06/21 18:28
13F→: 應該是問 題目 [-2,2] 的定積分 而不是不定積分06/21 18:29
15F→: x = 2siny , dx= 2cosy dy =>06/21 18:30
16F→: (1/2) * [2cosy] * 2cosy = cos(2y) + 1 ...06/21 18:31
3F→: 同一樓。 是 "現有資金" 的比例,所以使用凱利公式06/01 15:43
4F→: 基本上不會 "畢業"。 題外話,這裡的勝率是該遊戲的06/01 15:46
5F→: 獲勝機率,而非某甲過去一段時間預測正確的機率。06/01 15:47
1F→: #1NCgd3vc (Math) 類題 AAABBBCD 同字不相鄰03/26 16:23
6F→: int dx/(X^2 + A^2) =(1/A)tan^(-1) (X/A)03/20 18:48
7F→: *dX X = x+1/2 , A = √3 /203/20 18:49
4F→: #1IDSYmi- (Math)02/24 22:46
1F→: ???12/23 11:58
1F→: 這一篇文章值 40 Ptt幣12/22 11:33
1F→: 這一篇文章值 97 Ptt幣12/15 00:06