S 2.2.1 Basic Operations Example- x[n-] 1 x[n-2] -1 x[n-3] x[n] y(n] yln=o1xn+02x[n-1]+3ln-2]+4xn-3]§2.2.1 Basic Operations • Example - y[n]=α1x[n]+ α2x[n-1]+ α3[n-2]+ α4x[n-3]