Given the following 2√2 h3(n): (²1³) " (n)u(m) 3 2.1 Determine the system function H(z). Simplify your answer to one rational term. 2.2 Plot the pole-zero pattern. Label all relevant points and the two axes properly. 2.3 Find the inverse z-transform of Y(z) if x(n) = u(n) using partial fraction expansion. 2.4 Is the system stable? Explain. h₁(n) = {2,2,1} ↑ n h₂(n) = (¹) (₁ sin = u(n)

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