If X(z) = 2az¯¹/(1 - az¯¹)³ and |a| < |z|, then the initial value x₀ is

If X(z) = 2az¯¹/(1 - az¯¹)³ and |a| < |z|, then the initial value

1.	If X(z) = 2az¯¹/(1 - az¯¹)³ and \|a\| < \|z\|, then the initial value x₀ is
A.	0
B.	1
C.	∞
D.	2
Answer» B. 1