作者查詢 / TaiwanFlight
作者 TaiwanFlight 在 PTT [ trans_math ] 看板的留言(推文), 共226則
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5F推:微兩次有時候比較方便看反曲點而已210.240.176.170 11/21 10:56
6F→:用f'帶入得正負號也能看出反區點210.240.176.170 11/21 10:57
7F→:至於f(-∞)只是bbs不好寫吧210.240.176.170 11/21 10:57
10F推:若 是絕對極值 則 亦是相對極值210.240.176.170 11/21 11:02
1F→:看你唸什麼系 ,數學系的話就沒差210.240.176.170 11/18 23:09
2F→:因為算出來只是計算強 一點用也沒有210.240.176.170 11/18 23:09
3F→:記積分技巧 多看題目 就ok了210.240.176.170 11/18 23:10
4F→:太刁鑽的題目就叫出題的人自己寫210.240.176.170 11/18 23:10
6F推:記解法就ok了210.240.176.170 11/19 11:59
7F→:題目來就把解法式一式就OK了210.240.176.170 11/19 12:00
6F→:我拼錯了..是右(RIGHT)極限210.240.176.170 11/19 11:54
2F推:他已經算出來了吧210.240.176.170 11/18 22:55
1F推:sure.210.240.176.170 11/13 19:32
2F→:而且一般都會加阿210.240.176.170 11/13 19:32
10F推:http://0rz.tw/2052r210.240.176.170 11/13 19:36
11F→:打不開的話到這210.240.176.170 11/13 19:36
12F→:http://integrals.wolfram.com/index210.240.176.170 11/13 19:36
13F→:.jsp210.240.176.170 11/13 19:36
14F→:輸入(x^2)(arcsin(x))/(1+(x^2))^2210.240.176.170 11/13 19:37
15F→:請他算210.240.176.170 11/13 19:37
16F→:不過答案蠻美的.210.240.176.170 11/13 19:38
22F→:不會阿,就把題目丟給電腦算就ok了210.240.176.170 11/14 01:27
23F→:沒必要手算.210.240.176.170 11/14 01:27
25F→:這跟考試有什麼關西?210.240.176.170 11/14 12:31
26F→:這跟考試一點關西也沒有吧 ,210.240.176.170 11/14 12:32
27F→:硬要扯上考試的話,那就出現在考試上210.240.176.170 11/14 12:32
28F→:會考這題 肯定能用計算機的阿210.240.176.170 11/14 12:32
29F→:除非你6個小時的考試就只考這一題210.240.176.170 11/14 12:33
31F推:當然會阿,計算機都會上網的 不是嗎?210.240.176.170 11/18 22:53
3F→:算,因為該點f'(x)不存在。210.240.176.170 11/12 11:33
3F推:1. let cosx=-1 then f'(x)=(1/2)x^2210.240.176.170 11/10 00:03
4F→:>0 for all x210.240.176.170 11/10 00:03
5F→:so f(x)遞增210.240.176.170 11/10 00:03
7F→:2. by Thm , true210.240.176.170 11/10 00:04
8F→:critical point是什麼點?210.240.176.170 11/10 00:05
9F推:2.f在[a,b]連續且f(x)=f(b)210.240.176.170 11/10 00:12
10F→:則f至少有一個臨界點在(a,b)210.240.176.170 11/10 00:12
11F→:f不需要可微210.240.176.170 11/10 00:13
12F→: f(a)210.240.176.170 11/10 00:13
17F推:2. set f(x)=1 ,x no critical point210.240.176.170 11/10 00:25
24F推:3.(a) let f(x)=sin(x)210.240.176.170 11/10 00:46
25F推:3.(b) let f(x)=sec(x);(-pi/2,pi/2)210.240.176.170 11/10 00:51
26F推:4. x=0.104719667帶入210.240.176.170 11/10 00:53
1F→:你就唸阿 那又不多210.240.176.170 11/09 22:03
3F推:一樓的e怎麼不見了210.240.176.170 11/06 23:25