微积分学示例

$lim_{x \to 4} \frac{x - 3}{\sqrt{x^{2} - 16}}$

解题步骤 1

Because there is a gap in the domain of $\frac{x - 3}{\sqrt{x^{2} - 16}}$ to the left of $4$ , the limit does not exist.

$不存在$

微积分学 示例