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作者 legstrong 在 PTT [ trans_math ] 看板的留言(推文), 共89則

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[積分] 一題不定積分

[ trans_math ]8 留言, 推噓總分: +3

作者: legstrong - 發表於 2010/10/28 23:12(13年前)

2^F→legstrong:那不正常解長怎樣阿XDD??112.105.123.188 10/28 23:28

8^F→legstrong:謝謝樓上！！112.105.64.165 10/29 23:03

[積分] 99年中山機電求體積

[ trans_math ]10 留言, 推噓總分: +2

作者: legstrong - 發表於 2010/07/08 20:46(14年前)

3^F→legstrong:第二個是pi/2~pi/4吧？112.105.88.139 07/08 21:26

4^F→legstrong:0~pi/4或pi/2~pi/4算出來都不在選項中耶112.105.88.139 07/08 21:27

6^F→legstrong:阿阿阿我知道哪裡算錯了謝謝樓上112.105.88.139 07/08 21:38

Re: [考古] 98東吳

[ trans_math ]1 留言, 推噓總分: +1

作者: sphinxeve - 發表於 2010/06/25 14:25(14年前)

4^F推legstrong:x=rcost , y=rsint112.105.123.60 06/25 15:03

[積分] 定積分

[ trans_math ]4 留言, 推噓總分: 0

作者: legstrong - 發表於 2010/06/23 16:02(14年前)

3^F→legstrong:第二題分母的確是如此所以才覺得奇怪112.105.86.246 06/23 19:20

4^F→legstrong:第一題謝謝我沒想到那麼容易XD112.105.86.246 06/23 19:40

Re: [積分] 定積分

[ trans_math ]5 留言, 推噓總分: +2

作者: keith291 - 發表於 2010/06/21 22:44(14年前)

5^F推legstrong:3Q112.105.86.237 06/21 23:09

[考古] 95台大C

[ trans_math ]46 留言, 推噓總分: +13

作者: lililiu - 發表於 2010/06/13 20:29(14年前)

38^F推legstrong:有什麼好爭得看不懂...112.105.84.173 06/14 16:06

45^F→legstrong:樓上回答很可愛XD...112.105.84.173 06/14 17:27

46^F→legstrong:有時間就把答案寫詳細一點分數自然就高112.105.84.173 06/14 17:27

[積分] pdf 求 mean ??

[ trans_math ]9 留言, 推噓總分: +2

作者: branburg - 發表於 2010/06/12 01:29(14年前)

6^F推legstrong:這題要怎麼令才會出現beta形式阿？？112.105.124.74 06/12 22:15

9^F推legstrong:令u=x/50 這樣嘛？？112.105.124.74 06/12 23:12

Re: [張爸] 兩題級數

[ trans_math ]17 留言, 推噓總分: +5

作者: math1209 - 發表於 2010/06/09 22:50(14年前)

1^F推legstrong:感謝大大講解～112.105.126.13 06/09 22:52

12^F推legstrong:1/1 1/2 (1/3+1/4) (1/5~1/8) 都>1/2112.105.126.13 06/09 23:35

14^F推legstrong:柯西壓縮也是級數打散分配這樣嘛？？112.105.126.13 06/09 23:38

Re: [張爸] 兩題級數

[ trans_math ]10 留言, 推噓總分: 0

作者: legstrong - 發表於 2010/06/09 21:57(14年前)

1^F→legstrong:我都沒打sigma上去要自己補上喔112.105.126.13 06/09 21:59

3^F→legstrong:對我打錯了我改一下112.105.126.13 06/09 22:00

4^F→legstrong:沒錯啦沒錯啦！！就是這樣阿XDD112.105.126.13 06/09 22:01

7^F→legstrong:對對對112.105.126.13 06/09 22:05

9^F→legstrong:ln裡面改成n^4+n^4就可以了算式要重寫112.105.126.13 06/09 22:07

[張爸] 兩題級數

[ trans_math ]14 留言, 推噓總分: +3

作者: midarmyman - 發表於 2010/06/09 21:01(14年前)

1^F推legstrong:第一題原式<1/4lnn 又1/4lnn鍊散同1/lnn112.105.126.13 06/09 21:41

4^F推legstrong:1/lnx 怎麼積分阿? 一時間想不到112.105.126.13 06/09 21:46

11^F推legstrong:lnx<x =>1/lnx>1/x>0 ,1/x散=>1/lnx散112.105.126.13 06/09 21:52

12^F→legstrong:奇函數也要積分範圍差個+-才是0吧？112.105.126.13 06/09 21:52

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