[微積] L'Hospital Rule
昨天一個認識的小朋友,問我說究竟是 L'Hospital 還是 L'Hopital's Rule
我記得以前學的時候都是 L'Hospital,但他說 wiki 上寫的是 L'Hopital
參見 http://en.wikipedia.org/wiki/L%27H%C3%B4pital%27s_rule
另外,我看了 wiki ,發現裡面有個有趣的敘述
suppose f(x) + f'(x) converges as x → ∞
Then f(x) converges as x → ∞
wiki 給的證明並不完整,有人想試看看嗎
PS: 我已經有了證明了,如果有人有興趣,我再貼出來
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