Following information is given: x(z) has two poles at z = and z = - 1 – McqOptions

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1.	Following information is given: x(z) has two poles at z = and z = - 1x(1) = 1, x(- 1) = 1ROC includes Then x(n) is:
A.	u(n) + (-1)n u(- n - 1)
B.	2 u(n) + (-1)n u(- n - 1)
C.	2 u(n - 1) + (-1)n - 1 u(- n)
D.	None
Answer» C. 2 u(n - 1) + (-1)n - 1 u(- n)

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