Use z transforms to find the ZIR yzı(k), the ZSR yzs(k), and the complete response y(k) for each system. (a) (E2-2E+2){y(k)} = (2)¯kus(k), y(0) = y(1) = 0. (b) (E2-3E+2){y(k)} = (E-2)x(k), y(0) = 2, y(1) = 0, x(k) = (0.8)*.us(k).