$\lim_{x \rightarrow 2} \left(\frac{ \frac{ \mathrm{d} }{ \mathrm{d}x} \left( x-2 \right) }{ \frac{ \mathrm{d} }{ \mathrm{d}x} \left( {x}^{2}-4 \right) }\right)$
Find the derivative$\lim_{x \rightarrow 2} \left(\frac{ 1 }{ \frac{ \mathrm{d} }{ \mathrm{d}x} \left( {x}^{2}-4 \right) }\right)$
Find the derivative$\lim_{x \rightarrow 2} \left(\frac{ 1 }{ 2x }\right)$
Evaluate the limit$\frac{ 1 }{ 2 \times 2 }$
Multiply the numbers$\begin{align*}&\frac{ 1 }{ 4 } \\&\begin{array} { l }0.25,& {2}^{-2}\end{array}\end{align*}$