Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 5 (Q.No. 39)

Exam Questions Papers

39.

Consider the z-transform X(z) = 5z² + 4z^-1 + 3; 0 < |z| < ∞ The inverse transform x[n] is

5δ[n + 2] + 3δ[n] + 4δ[n - 1]

5δ[n - 2] + 3δ[n] + 4δ[n + 1]

5u[n + 2] + 3u[n] + 4u[n - 1]

5u[n - 2] + 3u[n] + 4u[n + 1]

Answer: Option

Explanation:

X(z) = 5z² + 4z^-1 + 3 = .

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