Determine the z-transform of the following signals. n [() { 2 0, n 4 b. x(n)...

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Determine the z-transform of the following signals. n [()" { 2 0, n≤ 4 b. x(n) = (a + a ")u(n), a real a. x(n) = , n 5 c. x(n)= (-1) "2-nu(n) d. x(n) = (na" sin won)u(n) e. x(n)= (-1)"u(n) f. x(n) = {1,0, 1, 0, 1,-1, ...} Determine the z-transform of the following signals. n [()" { 2 0, n≤ 4 b. x(n) = (a + a ")u(n), a real a. x(n) = , n 5 c. x(n)= (-1) "2-nu(n) d. x(n) = (na" sin won)u(n) e. x(n)= (-1)"u(n) f. x(n) = {1,0, 1, 0, 1,-1, ...}