Question: Question 2: Find the first four values of the function x[n] when: 4z 1 X(z) = Z -2-2z1 +2 Question 3: Compute f(k) (using

Question 2: Find the first four values of the function x[n] when: 4z" 1 X(z) = Z -2-2z1 +2 Question 3: Compute f(k) (using any method of your choice), e.g., partial fraction expansion, or residues: F(z)= -2 -1 Z +z +1 0.2z+0.9z +1

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