\ANG{
\begin{tabular}[t]{llll}
(a) $\D\int x^{999}\,\RMd x$ & (b) $\D\int \sqrt[3]{x}\,\RMd x$ & 
(c) $\D\int \sqrt[n]{x^{m}}\,\RMd x$ & (d) $\D\int\frac{\RMd x}{\sqrt{x}}$ 
\rule[-5mm]{0mm}{12mm}\\
(e) $\D\int \cos 3x\,\RMd x$ & (f) $\D\int A\sin \omega t\,\RMd t$ & 
(g) $\D\int \frac{\RMd x}{a^{2}}$ & (h) $\D\int  \frac{\RMd a}{a^{2}}$   
\end{tabular}
} 
\LSG{
\begin{tabular}[t]{llll}
(a) $\D\frac{x^{1000}}{1000}+C$ & (b) $\D\frac 34 \sqrt[3]{x^{4}}+C$ & 
(c) $\D\frac{n}{n+m}\sqrt[n]{x^{n+m}}+C$ & (d) $\D 2\sqrt{x}+C$ 
\rule[-5mm]{0mm}{12mm}\\
(e) $\D \frac 13\sin 3x+C$ & (f) $\D -\frac{A}{\omega}\cos \omega t+C$ & 
(g) $\D\frac{x}{a^{2}}+C$ & (h) $\D -\frac{1}{a}+C$   
\end{tabular}
}
