Problem 1: Direct Z-Transform Determine the Z-transform of the following signals, and sketch the ROC and the correspondi

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Problem 1 Direct Z Transform Determine The Z Transform Of The Following Signals And Sketch The Roc And The Correspondi 1 (69.02 KiB) Viewed 30 times

I NEED C,D,E
Problem 1: Direct Z-Transform Determine the Z-transform of the following signals, and sketch the ROC and the corresponding pole-zero-patterns: a) x[n] = (1+n)u(n) b) x[n] = (a" + a¯¹)u(n), a is real 1 c) x[n] = - (n² + n)(-)"-¹u(n-1) 2 d) x[n] = n(-1)" u(n) T e) x[n] = (-1)" cos(n)u(n) 3