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作者 craig100 在 PTT [ Math ] 看板的留言(推文), 共333則
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[微積] 1^∞公式推導
[ Math ]8 留言, 推噓總分: +4
作者: apruth - 發表於 2011/06/07 22:32(14年前)
3Fcraig100:exp(lnx) = x06/08 00:25
[線代] 矩陣
[ Math ]7 留言, 推噓總分: +2
作者: icu - 發表於 2011/06/03 01:23(14年前)
1Fcraig100:先考慮那個式子=(A^21 -A)*(A-I)^-106/03 01:33
2Fcraig100:然後用對角化 去算A^2106/03 01:33
[中學] 座標旋轉
[ Math ]9 留言, 推噓總分: +2
作者: love15 - 發表於 2011/06/02 19:17(14年前)
9Fcraig100:推複數06/03 00:08
Re: [其他] lim h->0 (a^3-b^3)/h
[ Math ]1 留言, 推噓總分: +1
作者: jacky7987 - 發表於 2011/05/31 02:01(14年前)
1Fcraig100:淚推簽名檔Q_Q05/31 02:03
[其他] lim h->0 (a^3-b^3)/h
[ Math ]10 留言, 推噓總分: +4
作者: TVBS2100 - 發表於 2011/05/31 01:37(14年前)
1Fcraig100:如果你只想check答案 到這個網站吧= =05/31 01:39
2Fcraig100:http://calcchat.tdlc.com/free_solutions/main.html05/31 01:39
9Fcraig100:其實可以考慮f(x)=x^3 那麼原式就變成微分了 得3x^205/31 02:05
[微積] ∫(2-3x)^(-4/3) dx
[ Math ]3 留言, 推噓總分: +1
作者: TVBS2100 - 發表於 2011/05/31 01:19(14年前)
1Fcraig100:dx = (-1/3)d(2-3x)05/31 01:26
[微積] ∫(xlnx)^-1dx
[ Math ]8 留言, 推噓總分: +3
作者: TVBS2100 - 發表於 2011/05/31 00:47(14年前)
3Fcraig100:有斷點or要你積到無窮 都算瑕 建議不懂定義就看課本05/31 01:09
4Fcraig100:這樣記的比較熟..05/31 01:09
6Fcraig100:是的05/31 01:10
7Fcraig100:但其實你的計算過程 不夠嚴謹....05/31 01:11
8Fcraig100:正確作法要另n 然後去積 從e到n 最外面取lim n->oo05/31 01:12
[中學] 求餘數
[ Math ]1 留言, 推噓總分: +1
作者: because25 - 發表於 2011/05/30 15:30(14年前)
1Fcraig100:第一題 考慮最末位的循環性 第二題 考慮二項式定理05/30 17:16
Re: [中學] 一題機率
[ Math ]3 留言, 推噓總分: +2
作者: newperson - 發表於 2011/05/23 23:28(14年前)
1Fcraig100:大推!!! 根本神招!!05/23 23:47
[中學] 北北基考題
[ Math ]16 留言, 推噓總分: +7
作者: STAGECHEN - 發表於 2011/05/23 21:26(14年前)
5Fcraig100:答案是6吧05/23 21:54
9Fcraig100:其實我第一次解 是用兩邊等距的方法=_=05/23 22:04