極限計算機

極限を段階的に計算

この無料の計算機は、手順を示しながら、指定された点(無限大を含む)における与えられた関数の極限(両側または片側、左極限および右極限を含む)を求めます。

極限(不定形を含む)を扱うために、さまざまな手法を用います:極限法則、式の書き換え・簡単化、ロピタルの定理、分母の有理化、自然対数を取る、など。

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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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