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Re: [其他] 0的0次方

[ Math ]154 留言, 推噓總分: +23

作者: herstein - 發表於 2011/11/25 19:42(14年前)

47^F推craig100:這id... 是我代數課本的作者!!! 果然不簡單!!!11/25 23:25

[微積] 積tan^-1(1+x^2)

[ Math ]9 留言, 推噓總分: +5

作者: playmypig - 發表於 2011/11/24 22:48(14年前)

3^F推craig100:最後的積分式分子分母同除x^2 就變成二次分式的積分11/24 23:16

[中學] 高中多項不等式

[ Math ]11 留言, 推噓總分: +5

作者: Doraemon24 - 發表於 2011/11/24 00:52(14年前)

5^F推craig100:樓上的方法很直觀但根式不等式不好解(應該說易錯)11/24 02:38

[中學] 12+5i的平方根

[ Math ]8 留言, 推噓總分: +4

作者: t8vi - 發表於 2011/11/22 22:30(14年前)

3^F推craig100:內心不過沒有比較快11/22 22:56

[其他] 關於線性代數

[ Math ]28 留言, 推噓總分: +9

作者: MICtaiwan - 發表於 2011/11/18 11:15(14年前)

21^F推craig100:線代算是數學系最簡單的必修了吧試著看英文加油!11/19 07:40

Re: [線代] span和generate的差別?

[ Math ]9 留言, 推噓總分: +6

作者: calvin4 - 發表於 2011/11/07 00:10(14年前)

2^F推craig100:版主耶好文推@@11/07 04:33

[線代] 3個線代問題

[ Math ]12 留言, 推噓總分: +7

作者: school5566 - 發表於 2011/11/05 23:56(14年前)

10^F推craig100:四階以上並沒有如同三階的運算規則11/06 00:35

11^F→craig100:要說運算規則的話主對角線相乘也是從降階推出來的11/06 00:36

Re: [中學] 虛數不能比較大小

[ Math ]5 留言, 推噓總分: +2

作者: endlesschaos - 發表於 2011/11/05 16:17(14年前)

5^F推craig100:我有在國內參考書看過雜虛數就實部和虛部同時不為零11/06 00:20

[其他] 數學系賓果

[ Math ]13 留言, 推噓總分: +12

作者: paggei - 發表於 2011/10/24 23:53(14年前)

4^F推craig100:只能推了.....10/25 00:38

[代數] 請問一題最大值最小值

[ Math ]11 留言, 推噓總分: +2

作者: frankieeeee - 發表於 2011/10/22 19:55(14年前)

6^F推craig100:樓上不是因為他打錯吧因為極本來就有局部的意思10/23 04:40

7^F→craig100:這個圖形長的有點像雙曲線所以局部最大是下面的最高10/23 04:41

8^F→craig100:局部最小是上面的最低所以才會有極小值比極大值還大10/23 04:41

10^F推craig100:簡單說極大=局部最大10/23 21:45

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