\begin{doublespace}
\noindent\(\pmb{\frac{1.056\times 10^{-3}\times s^2+40.528\times s+20000}{0.768\times 10^{-10}\times s^3+84.8384\times 10^{-6}\times s^2+22.0184\times
s+1000}}\)
\end{doublespace}