Homework One

Finish the integral:

Failed to parse (syntax error): {\displaystyle [\int_{-T/2}^{T/2}e^(j2\pi\ (n-m)t/T) \,dx.\] }

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