3) Suppose A,B, and C above represents the parameters of a state-space model of a plant. Assuming that we can measure all of the states of the system, can we place the poles of the system to -1,-2, and -3 using state feedback? 4) Consider the state-space model given in the question 3. This time assume that we can only measure the output of the system. Can we still place the poles of the system to -1,-2, and -3 using the state-space model above? A = [2/3 5/3 -1/3] 1 -1 2 4/3 4/3-2/3 C = [0 1 1] A B = 0