In this problem x(n), h(n), and y(n) can be complex. find y(n) in terms of x() and h() in parts (a) and (b). in part (c) find a in terms of x() and y(). in part (d), find a in terms of X() and Y().
A.Y(k) = Σ ᴺ⁻¹ₙ₌₀X(m-k)ₙ . H(m-2k)ₙ