What is the partial fraction expansion of the proper function X(z)= 1/ – McqOptions

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1.	What is the partial fraction expansion of the proper function X(z)= 1/(1-1.5z^-1+0.5z^-2 )?
A.	2z/(z-1)-z/(z+0.5)
B.	2z/(z-1)+z/(z-0.5)
C.	2z/(z-1)+z/(z+0.5)
D.	2z/(z-1)-z/(z-0.5)
Answer» E.

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