作者查詢 / Gourriell
作者 Gourriell 在 PTT [ trans_math ] 看板的留言(推文), 共71則
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1F推:第一提 令X=3/2tan()218.169.51.70 07/31 12:34
2F→:()視角度218.169.51.70 07/31 12:34
3F→:接下來就可以找d()=3/2sec^2()dx218.169.51.70 07/31 12:36
4F→:打錯了 dx =3/2sec^2() dx218.169.51.70 07/31 12:37
5F→:做代換 答案就出來了218.169.51.70 07/31 12:38
6F→:我做出來是 ln(sin(arctan2/3x))+c218.169.51.70 07/31 12:39
3F→:可是我沒有 = =.. 我把u寫x218.169.51.178 07/07 01:30
4F→:因為我跟他說亞變數互換= =..218.169.51.178 07/07 01:31
5F→:我真的很白目= =218.169.51.178 07/07 01:31
6F→:希望他大人大量..早知道就用別的變數= =218.169.51.178 07/07 01:31
7F→:e04218.169.51.178 07/07 01:32
2F→:都沒人有疑問? 我第二步做回第一步不合?218.169.51.178 07/06 22:28
3F→:還是我真的錯了= =218.169.51.178 07/06 22:29
4F→:半角回去跟題目差蠻多的= =218.169.51.178 07/06 22:30
1F→:有錯請糾正218.169.53.163 06/26 23:57
2F→:少打了一項...SORRY..SIN(1/2)218.169.53.163 06/27 00:02
1F推:應該不用吧...218.169.53.163 06/26 23:08
2F→:可以做一下積分次序變換218.169.53.163 06/26 23:08
3F→:就變成 積分{X^2cos(X^3+1/2)dx}218.169.53.163 06/26 23:09
4F→:前面乘ㄧ個2/3給他就可以積分218.169.53.163 06/26 23:10
1F推:我也是算你上面這個答案218.169.53.163 06/26 23:15
2F→:結果不合原來的方程式218.169.53.163 06/26 23:16
1F推:我是算(x-4)(ln(x-3))218.169.49.83 06/16 10:52
2F→:不知道您有答案嗎?如果錯的話請指正218.169.49.83 06/16 10:52
4F→:隊拉 是除的218.169.49.83 06/16 19:28
5F→:我自己弄錯了拍洩218.169.49.83 06/16 19:28
6F推:原諒我吧 >"<218.169.49.83 06/16 19:38
2F推:嗯嗯218.169.49.83 06/15 19:21
5F推:我算是沒有2...只剩ln(5/2)218.169.49.83 06/15 19:46
6F→:在積Y個時候就會變2(ln5/2)218.169.49.83 06/15 19:47
7F→:然後積X 因為沒有X所以就X 有看懂嗎 = =218.169.49.83 06/15 19:48
8F→:在代上下限0-2218.169.49.83 06/15 19:49
9F→:就可以跟那個2約掉了218.169.49.83 06/15 19:49
1F推:x是不是有誤218.169.49.83 06/15 12:43
2F→:-5t?....218.169.49.83 06/15 12:43
3F→:小弟還有ㄧ個小問題218.169.49.83 06/15 12:44
4F→:最後那個四倍要不要再放回來218.169.49.83 06/15 12:45
5F→:有聽人家說要也有人說不用218.169.49.83 06/15 12:45
1F→:那就再那條向量上隨便一點(x.y.z)..218.169.51.158 06/14 23:41
2F→:這個點到他們的交點的向量與他們公切線218.169.51.158 06/14 23:42
3F→:向量平行..218.169.51.158 06/14 23:42
4F→:然後參數方程應該就出來了吧218.169.51.158 06/14 23:43
5F→:有錯請指正218.169.51.158 06/14 23:44