微积分学示例

$lim_{x \to 8} \sqrt{x^{2} + a x} - \sqrt{x^{2} + b x}$

解题步骤 1

Since the values of $\sqrt{x^{2} + a x} - \sqrt{x^{2} + b x}$ do not exist on either side of $8$ , the limit does not exist.

$不存在$

微积分学 示例