What is the signal x(n) whose z-transform X(z)=log(1+az-1);|z|>|a|? – McqOptions

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1.	What is the signal x(n) whose z-transform X(z)=log(1+az-1);\|z\|>\|a\|?
A.	\((-1)^n.\frac{a^n}{n}.u(n-1)\)
B.	\((-1)^n.\frac{a^n}{n}.u(n+1)\)
C.	\((-1)^{n-1}.\frac{a^n}{n}.u(n-1)\)
D.	\((-1)^{n-1}.\frac{a^n}{n}.u(n+1)\)
Answer» D. \((-1)^{n-1}.\frac{a^n}{n}.u(n+1)\)

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