[微積] 一題定積分
∞ 1 + e^(-x)
∫ ___________ dx = ?
1
x
我有嘗試用分部積分和代換變數去做
可是都寫不出來
翻書本也沒有找到解法
有人可以指點迷津嗎？ 謝謝~~
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◆ From: 114.27.106.31
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※ 編輯: bunbunsugar 來自: 114.27.106.31 (09/21 00:34)
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