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作者 chemical1223 在 PTT [ trans_math ] 看板的留言(推文), 共121則

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[積分] 一般的情況下...

[ trans_math ]13 留言, 推噓總分: +3

作者: bill790602 - 發表於 2009/07/21 20:50(15年前)

5^F推chemical1223:分子分母同乘 sec x + tan x59.117.124.76 07/21 21:55

[考古] 97東華

[ trans_math ]6 留言, 推噓總分: 0

作者: chemical1223 - 發表於 2009/07/17 22:53(15年前)

3^F→chemical1223:可是這樣算出來極限值 = 0 耶@@59.117.127.125 07/17 23:00

5^F→chemical1223:....我看成 sin r 了= =59.117.127.125 07/17 23:06

6^F→chemical1223:那這樣我了解囉~謝謝59.117.127.125 07/17 23:07

[考古] 91中原

[ trans_math ]7 留言, 推噓總分: +2

作者: lukk790326 - 發表於 2009/07/07 15:42(15年前)

2^F推chemical1223:y=x^2 y=1 x=0 x=1 畫出圖形59.117.187.72 07/07 22:41

3^F→chemical1223:先機歪，所以是從x^2 → 159.117.187.72 07/07 22:42

4^F→chemical1223:再積X 所以是從0→159.117.187.72 07/07 22:42

5^F→chemical1223:第二、三推文是找出原本的積分範圍59.117.187.72 07/07 22:43

6^F→chemical1223:交換積分次序後會變成0→根號y59.117.187.72 07/07 22:43

7^F→chemical1223:和 0→159.117.187.72 07/07 22:43

[考古] 高大97考古題幫解非常急

[ trans_math ]5 留言, 推噓總分: +3

作者: lazyman7964 - 發表於 2009/07/04 23:09(15年前)

1^F推chemical1223:1) -2y + 2x^(2y-1)59.117.112.204 07/04 23:35

2^F→chemical1223:手邊沒有紙只能解這題了@@59.117.112.204 07/04 23:35

3^F推chemical1223:是x^2y還是yx^2 ? 跟6949不一樣59.117.112.204 07/04 23:41

4^F→chemical1223:如果97抄96的同一題那我的答案不正確59.117.112.204 07/04 23:42

5^F推chemical1223:我算錯了...=.=122.120.99.71 07/05 20:04

[微分] 求距離最近的點(好像是微分問題= =")

[ trans_math ]6 留言, 推噓總分: +3

作者: kuovsphy - 發表於 2009/07/04 14:40(15年前)

3^F→chemical1223:根號 (x-0)^2 + (y-2)^259.117.112.204 07/04 23:43

4^F→chemical1223:令I=x^2 + (-2+x^2)^2 (y=x^2)59.117.112.204 07/04 23:44

5^F→chemical1223:然後求極值59.117.112.204 07/04 23:44

Re: [積分] 分部積分

[ trans_math ]4 留言, 推噓總分: +2

作者: PaulErdos - 發表於 2009/07/04 14:28(15年前)

4^F推chemical1223:分部積分後就會生出來囉~59.117.112.204 07/04 23:58

[積分] 複習時遇到的幾個問題(部分分式,做圖,P級數)

[ trans_math ]14 留言, 推噓總分: +2

作者: tcpetcpe - 發表於 2009/07/04 13:59(15年前)

8^F推chemical1223:1)x^-5 + x^-4 - 2x^-3 - 2x^-2 +59.117.112.204 07/05 00:01

9^F→chemical1223:x^-1 +159.117.112.204 07/05 00:01

10^F→chemical1223:S x^-p 試著解p>0、p=0、p<059.117.112.204 07/05 00:02

11^F→chemical1223:區間弄一弄就可以知道囉~59.117.112.204 07/05 00:03

12^F→chemical1223:說錯了是p=1 跟p不等於159.117.112.204 07/05 00:03

13^F→chemical1223:P不等於1會有兩種情況59.117.112.204 07/05 00:03

14^F→chemical1223:P>1跟P<159.117.112.204 07/05 00:04

[考古] 台大97C第1題(1a)

[ trans_math ]7 留言, 推噓總分: +3

作者: ypnana - 發表於 2009/07/04 13:08(15年前)

7^F推chemical1223:區間+159.117.112.204 07/05 00:06

收斂半徑

[ trans_math ]5 留言, 推噓總分: +2

作者: ian5j6 - 發表於 2009/07/04 01:17(15年前)

5^F推chemical1223:題目怪怪的? An的分母是2-1??59.117.112.204 07/04 23:38

[微分] 第一導數測定法

[ trans_math ]7 留言, 推噓總分: 0

作者: japan9766 - 發表於 2009/06/29 15:54(15年前)

4^F→chemical1223:一階導數判別法？59.117.116.13 06/30 10:08

5^F→chemical1223:一次微分配合圖形可以找出遞增遞減區59.117.116.13 06/30 10:09

6^F→chemical1223:間、可求出極大值極小值59.117.116.13 06/30 10:09

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