Homework One

Finish the integral:

$$\begin{gathered} \underset{-T/2}{\overset{T/2}{\int }}{e}^{j2*\pi \\ (n-m)t/T}dx \end{gathered}$$

$$\begin{gathered} \underset{-\mathrm{\infty }}{\overset{\mathrm{\infty }}{\int }}f(u)*\delta \\ (t-u)du \end{gathered}$$