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[函数] 求e步骤中关于极限的问题

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nttz posted 2023-12-11 21:09 |Read mode
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圆圈处如何解释,极限没有这个性质啊

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kuing posted 2023-12-11 23:55
上一句不是说了吗,函数的连续性啊

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original poster nttz posted 2023-12-12 21:07
kuing 发表于 2023-12-11 23:55
上一句不是说了吗,函数的连续性啊
连续性不是 自变量变化趋于0,函数的变化也趋于0么,这个极限相等如何理解的,能说了清楚点么

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original poster nttz posted 2023-12-12 21:21
kuing 发表于 2023-12-11 23:55
上一句不是说了吗,函数的连续性啊
是不是 n趋于无穷,yn趋于1,f(yn)的极限等于 f(1)的意思,有点明白了

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isee posted 2023-12-12 23:58
连续函数的极限,极限符号与函数符号可以交换,如\[\lim_{x\to 0}\mathrm e^{x-1}=\mathrm e^{\lim_\limits{x\to 0}(x-1)}=\frac1{\mathrm e}.\]
isee=freeMaths@知乎

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