微积分学示例

$lim_{x \to e} \frac{1}{1 - \ln (x)}$

解题步骤 1

将左右极限改为右极限。

$lim_{x \to e^{+}} \frac{1}{1 - \ln (x)}$

解题步骤 2

Since the numerator is positive and the denominator $1 - \ln (x)$ approaches zero and is less than zero for $x$ near $e$ to the right, the function decreases without bound.

$- \infty$

微积分学 示例

微积分学示例