\input epsf
\nopagenumbers
\magnification=\magstep1

\noindent {\bf Problem statement} a) Find
$\int{{e^{2x}}\over{\sqrt{e^{2x}+1}}} dx\, .$

\medskip

\noindent b) Find $\int{{e^{x}}\over{\sqrt{e^{2x}+1}}} dx\, .$

\medskip

\noindent {\bf Comment} These antiderivatives may appear similar, but
different methods are needed.

\vfil\eject\end