b) ALTIC system is specified by the equation (D2+5D+6)y(t) = (D² + 7D + 11)x(t) Find the zero-input response of the response y(t) and the impulse response h(t) if the initial conditions are y(0) = 0 and y'(0) = 1. h(t) = bo8(t) + [P(D)yn(t)]u(t)