\begin{tabular}{l|l}
(i) & \( \left.\begin{array}{l}\text { Determine the Laplace Transform of the } \\
\text { "triangular wave" function } f ( t ) \text { whose } \\
\text { graph is } \quad f(t)=\left\{\begin{array}{c}t, 0<t<a \\
2 a-t, a<t<2 a\end{array}\right.\end{array}\right\} \) \\
and \( f(t+2 a)=f(t) . \)
\end{tabular}