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作者 sardine 在 PTT [ trans_math ] 看板的留言(推文), 共13則

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[問題] 誰能幫我證明這題積分嗎?

[ trans_math ]5 留言, 推噓總分: +2

作者: treeboy - 發表於 2008/11/27 11:20(15年前)

5^F推sardine:找不到網頁11/27 11:03

8^F推sardine:你打出來比較快..11/27 11:07

9^F→sardine:∫ ㏒ ∞ 這通通打的出來阿11/27 11:07

[積分] 93資管暨南

[ trans_math ]5 留言, 推噓總分: +2

作者: ninehole - 發表於 2006/06/30 14:43(18年前)

3^F推sardine:註明一下最好分x>-1跟<-1兩邊多兩行而已203.67.117.140 06/30 15:31

4^F→sardine:要不教授龜毛會說你寫的不完整203.67.117.140 06/30 15:31

5^F推sardine:ㄟ抱歉別管我的推文XD..那不在domain內203.67.117.140 06/30 15:33

[考古] 懇請高手解答高斯函數的極限問題

[ trans_math ]6 留言, 推噓總分: +4

作者: phil807124 - 發表於 2006/05/04 03:35(18年前)

4^F推sardine:{x+4}/{[x]的平方-4} 這樣嗎05/04 06:15

5^F→sardine:你的題目可以清楚一點...05/04 06:16

Re: [積分] ∫ x^2 * (a^2+x^2)^(1/2) dx

[ trans_math ]7 留言, 推噓總分: +4

作者: coolbetter33 - 發表於 2006/05/01 13:24(18年前)

1^F推sardine:[sec^2(y)]^1/2 這部份不用掛絕對值嗎?05/01 14:20

2^F→sardine:還有..@@ ∫sec^n(y)dy 這個數學系考試可以直接用嗎..???05/01 14:21

4^F推sardine:抱歉..你的算式沒問題.. 不過我想提一點小狀況..05/02 17:25

5^F推sardine:y=arc tanx <=> x= tany "and" -π/2< x <π/205/02 17:28

6^F→sardine:and應該不能少.. 要不然就沒辦法imply; y=arc tanx05/02 17:29

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