作者查詢 / pboywc
作者 pboywc 在 PTT [ trans_math ] 看板的留言(推文), 共82則
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1F→:6.設x=tanu 7.設f不是常函數導出矛盾218.34.243.63 06/18 12:48
2F推:sinx/x不只不太好積 是根本積不出來218.34.243.63 06/13 23:57
1F推:化成極座標在求06/09 10:07
1F推:可以令x=√3tanu 或利用漸化式06/04 23:21
2F推:有 006/04 16:30
1F→:這題發散06/04 10:16
1F推:令1+4r^2=u r丟到後面去06/04 10:16
2F推:這是lim(1+x)^(1/x)=e x->0 的推廣運用06/03 11:01
1F→:第二題補充∫e(-x^2) 上限無窮下限0是√π/205/29 00:46
2F推:如果是用PCman的話 按工具標點符號輸入有積分符號05/16 23:21