Find the Indicated Limit If It Exists $\lim _ { x \rightarrow 2 } \frac { x - 2 } { x ^ { 2 } - 4 }$

Short Answer

Find the indicated limit if it exists. $\lim _ { x \rightarrow 2 } \frac { x - 2 } { x ^ { 2 } - 4 }$