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极限计算器
逐步求极限
这个免费计算器会尝试求给定函数在给定点（包括无穷处）的极限（双侧或单侧，包含左极限和右极限），并显示解题步骤。
处理极限（包括未定式）可采用多种技巧：极限法则、重写与化简、洛必达法则、分母有理化、取自然对数等。
Solution
Your input: find $$$\lim_{x \to \infty} \frac{1}{x}$$$
The limit of a quotient is the quotient of limits:
$${\color{red}{\lim_{x \to \infty} \frac{1}{x}}} = {\color{red}{\frac{\lim_{x \to \infty} 1}{\lim_{x \to \infty} x}}}$$
The limit of a constant is equal to the constant:
$$\frac{{\color{red}{\lim_{x \to \infty} 1}}}{\lim_{x \to \infty} x} = \frac{{\color{red}{1}}}{\lim_{x \to \infty} x}$$
Constant divided by a very big number equals $$$0$$$:
$${\color{red}{1 \frac{1}{\lim_{x \to \infty} x}}} = {\color{red}{\left(0\right)}}$$
Therefore,
$$\lim_{x \to \infty} \frac{1}{x} = 0$$
Answer: $$$\lim_{x \to \infty} \frac{1}{x}=0$$$
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