Homework One

Finish the integral:

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

$\int _{-\infty }^{\infty }f(u)*\delta \ (t-u)\,du\Longrightarrow \int _{-\infty }^{\infty }f(u)*h(t-u)\,du$