Find the (zero-state) response y[n] of an LTID system if the input is x[n] = 3n?1u[n + 2] and
Z[n] = 3ⁿ⁻¹ u [n+2] ; h [n] = 1/2 [ Σ [n-2] - (-2ⁿ⁺¹)u [n-3]]