What is the inverse z-transform of X(z)= ( frac{1}{1-1.5z^{-1}+0.5z^{-2}} ) if ROC is |z|>1?

What is the inverse z-transform of X(z)= ( frac{1}{1-1.5z^{-1}+0.5z^{-

1.	What is the inverse z-transform of X(z)= ( frac{1}{1-1.5z^{-1}+0.5z^{-2}} ) if ROC is \|z\|>1?
A.	{1,3/2,7/4,15/8,31/16, .}
B.	{1,2/3,4/7,8/15,16/31, .}
C.	{1/2,3/4,7/8,15/16,31/32, .}
D.	None of the mentioned
Answer» B. {1,2/3,4/7,8/15,16/31, .}

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