微積分高手幫忙一下:－線上遊戲排行榜2013/2014,進擊的巨人線上看,candy crush saga外掛,正妹寫真三圍

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微積分高手幫忙一下

Aug 24th 2013, 06:30

通分合併變成
lim_{x to 0} (x - ln(1+x))/(xln(1+x))

還是0/0的型式，用羅比達法則，上下分別對x微分，得到以下

原式 = lim_{x to 0} [1 - 1/(1+x)]/[ln(1+x) + x/(1+x)]
此時分子分母的極限都存在且分母不等於0，而分子是0

原式 = 0

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