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作者 Vulpix 在 PTT [ Math ] 看板的留言(推文), 共7170則
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2F→:1.應該改成f'(x)=005/10 16:32
7F→:我覺得你對1.2.3.很不公平05/10 16:44
8F→:2.f'(x)不存在 3.端點 都是"可能有極值"05/10 16:45
9F→:但是1.卻被要求成"一定有極值",這樣太不公平了XD05/10 16:46
12F→:嗯,1.2.3.只是告訴我們哪些點很可疑.還是要驗算才行05/10 17:23
2F→:比較類似心臟線吧,估計原po用了極坐標+隨便寫方程。05/10 12:19
2F→:只有相加是1這個條件而已嗎?該不會還有p>=0...05/10 15:29
15F→:不可以用的理由應該是:還沒教到,不准用。05/09 12:16
42F→:歐氏XD 超過拓樸但不及微分幾何的東西嗎?有的話05/06 00:43
43F→:一定很有趣吧!05/06 00:43
25F→:各位說的是「log_a b^c = c* log_a b」。05/04 22:10
26F→:這是對數律的其中一條,很常用到,請記得。05/04 22:11
1F→:http://tinyurl.com/d75p9oc 隨便goo了一個05/04 18:33
2F→:答案是不存在呢XD f(2)-f(1)一定正的啊05/03 13:25
1F→:問過狼羊A的結果:2sqrt(x)*K1(2sqrt(x))05/02 03:31
2F→:其中K1是modified Bessel fx.,節哀05/02 03:32