\ANG{
\begin{tabular}[t]{llll}
(a) $\D\int \e^{x}\,\RMd x$ & (b) $\D\int \e^{3x}\,\RMd x$ & 
(c) $\D\int \sqrt{\e^{x}}\,\RMd x$ & (d) $\D\int\frac{\RMd x}{\e^{x}}$ 
\rule[-5mm]{0mm}{12mm}\\
(e) $\D\int a\e^{ax}\,\RMd x$ & (f) $\D\int A\e^{-bt}\,\RMd t$ & 
(g) $\D\int \frac{\RMd x}{\sqrt{\e^{x}}}$ & 
(h) $\D\int \left(2x^{2}+3\e^{-3x}\right)\,\RMd x$   
\end{tabular}
} 
\LSG{
\begin{tabular}[t]{llll}
(a) $\D\e^{x}+C$ & (b) $\D\frac 13\e^{3x}+C$ & 
(c) $\D 2\sqrt{\e^{x}}+C$ & (d) $\D -\e^{-x}+C$ 
\rule[-5mm]{0mm}{12mm}\\
(e) $\D\e^{ax}+C$ & (f) $\D -\frac Ab\e^{-bt}+C$ & 
(g) $\D -2\e^{-\frac x2}+C$ & 
(h) $\D\frac 23x^{3}-\e^{-3x}+C$   
\end{tabular}
}
