x[n]=anu[n-2],|a| <1 and h[n]=u[1-n].
X[n]=u[n+3],|a| <1 and h[n]=a-2nu[n-2].
X[n]=an-1u[n+1],|a| <1 and h[n] =u[2-n].
For a discrete-time LTI system, the imput signal is x[n], impulse response is h[n] and output is y[n]. Analytically determine the output y[n] in each of the above cases.