a) Find the output y[n] of an LTID system specified by the equation
2y[n+2] - 3y[n+1] = y[n] = 4x[n+2] - 3x[n+1]
if the initial conditions y[-1] = 0, y[-2] = 1, and the input x[n] = (4)^-n u[n]
b) Find the zero-input and zero-state components of the response