\batchmode
\documentstyle[11pt]{article}
\makeatletter

\setlength{\textwidth}{6.5in}
\setlength{\oddsidemargin}{0in}
\setlength{\topmargin}{-.2in}
\setlength{\textheight}{9.5in}
\setlength{\headheight}{0in}
\setlength{\headsep}{0in}
\setlength{\parindent}{0pt}
\setlength{\parskip}{5pt}


\makeatother
\newenvironment{tex2html_wrap}{}{}
\newwrite\lthtmlwrite
\def\lthtmltypeout#1{{\let\protect\string\immediate\write\lthtmlwrite{#1}}}%
\newbox\sizebox
\begin{document}
\pagestyle{empty}
{\newpage
\clearpage
\samepage \begin{displaymath}L^{-1}[Y(s)](t)
\end{displaymath}
}

{\newpage
\clearpage
\samepage \begin{displaymath}L^{-1}[cY_1(s)](t)=cL^{-1}[Y_1(s)](t)=cy_1(t)
\end{displaymath}
}

{\newpage
\clearpage
\samepage \begin{displaymath}L^{-1}[Y_1(s)+Y_2(s)](t)=L^{-1}[Y_1(s)](t)+L^{-1}[Y_2(s)](t)=
y_1(t)+y_2(t)
\end{displaymath}
}

{\newpage
\clearpage
\samepage \begin{displaymath}L^{-1}[c_1Y_1(s)+c_2Y_2(s)](t)=c_1L^{-1}[Y_1(s)](t)+c_2L^{-1}[Y_2(s)]=
c_1y_1(t)+c_2y_2(t)
\end{displaymath}
}

{\newpage
\clearpage
\samepage \begin{displaymath}L^{-1}[7/s^3](t)=\frac{7}{2}L^{-1}[2/s^3](t)=\frac{7}{2}t^2
\end{displaymath}
}

{\newpage
\clearpage
\samepage \begin{displaymath}L^{-1}[\frac{3s+4}{s^2+4}](t)=3L^{-1}[\frac{s}{s^2+4}](t)+
2L^{-1}[\frac{2}{s^2+4}](t)=3\cos 2t+2\sin 2t.
\end{displaymath}
}

\stepcounter{section}

\end{document}
