Question

\[\newcommand\dd[1]{\,\mathrm d#1} % infinitesimal
\newcommand\intl[4]{\int\limits_{#1}^{#2}{#3}{\dd #4}} % integral _{a}^{b}{f(x)}\dd x
\begin{align*}
\intl0\infty{\delta(t-2)e^{-st}}t
&=e^{-2s}?=0?
\end{align*}\]

Answer 1

oh wait , riight...