What_is_the_causal_signal_x(n)_having_the_z-transform_X(z)=_1/((1+z-1_ – McqOptions

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1.	What_is_the_causal_signal_x(n)_having_the_z-transform_X(z)=_1/((1+z-1_)_[(1-z-1)]2_)?
A.	[1/4(-1)<sup>n</sup>+3/4-n/2]u(n)
B.	[1/4(-1)<sup>n</sup>+3/4-n/2]u(-n-1)
C.	[1/4+3/4(-1)<sup>n</sup>-n/2]u(n)
D.	[1/4(-1)<sup>n</sup>+3/4+n/2]u(n)
Answer» E.

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