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\[ \]
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The numerical solutions for various values of $\alpha$ are represented in Fig.1.
\begin{figure}[ht]
   \centering
  \includegraphics[scale=0.5]{1.PNG}\\
  \caption{Numerical solutions for various values of $\alpha$ of Example 1.}\label{fig:1}
\end{figure}\\

\end{document}