微积分学示例

$lim_{x \to 2} \frac{x}{\sqrt{x^{2} - 4}}$

解题步骤 1

Because there is a gap in the domain of $\frac{x}{\sqrt{x^{2} - 4}}$ to the left of $2$ , the limit does not exist.

$不存在$

微积分学 示例