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作者 keith291 在 PTT [ Math ] 看板的留言(推文), 共662則
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1F→: 原函數先用馬克勞林級數展開化簡 再微分04/17 23:42
1F→: 所求為4倍的積分範圍0~π/2 再搭配精華區z-3-904/14 01:11
5F→: 不用 2^0 不是不定型 其極限也並不是e04/08 19:29
6F→: 是不定型才要擔心你說的 例如 0^0 型04/08 19:31
5F→: https://goo.gl/nhZzvW 第 4 題就是你要的04/08 19:27
1F→: (sin(x))^9=(1-(cosx)^2)^4 sinx 然後令 u=cosx04/04 23:46
1F→: 有錯, ln[(k+2)/(k+1)] "<" ln[(k+1)/k]04/04 14:43
2F→: 換個角度想 (ln(k+1)-ln k)/(k+1 - k) > 1/(k+1)04/04 14:46
3F→: 因為由圖看有 平均斜率大於右端點斜率04/04 14:46
5F推: 排容原理04/03 23:43
1F→: 3.題目錯 (1+n)^n 極限不存在04/03 16:45
2F→: 只要給出任一反例就已證明完命題為錯04/02 22:27
3F→: 是要證明為對才需要舉例之外的完整分析04/02 22:27
1F→: 幾何明珠03/27 16:23