Question: Please help me solve this Z transform i need the correct answer For each discrete-time signal x(n), find the corresponding Z-Transfrom and its ROC Exercise

Please help me solve this Z transform i need the correct

Please help me solve this Z transform i need the correct answer

For each discrete-time signal x(n), find the corresponding Z-Transfrom and its ROC Exercise 1. x(n)=2(n+2)1(n+1)+2(n)3(n1)+4(n2) Exercise 2. x(n)=0.5nu(n)+0.4nu(n) Exercise 3. x(n)=0.5nu(n)+0.9nu(n1)

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