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QUESTION 3 Zero-State Response of a Discrete-Time LTI System using MATLAB A discrete-time LTI system is given by its system function. z-1+z2 H(2) Ha , 1 + 1/ 27 12 Use MATLAB to calculate the analytical form of the Zero-State Response to the input Uin [n] = u[n] (hence, step-response in this case) through the use of the Symbolic Toolbox Ys = Au[n] + B(P)"u[n] + C(P2)" u[n] Y;= n+() where: 1P11