for problem 2 , convolution theorem says f(t-u) .. and here it's e^(x-t) .. so i have to take the ( - ) common so it becomes e^-(t-x) ??? is this right ?
for problem 2 , convolution theorem says f(t-u) .. and here it's e^(x-t) .. so i have to take the ( - ) common so it becomes e^-(t-x) ??? is this right ?