If x(n)=an, then what is one sided z-transform of x(n-2)? – McqOptions

MCQOPTIONS

1.	If x(n)=an, then what is one sided z-transform of x(n-2)?
A.	( frac{z^{-2}}{1-az^{-1}} + a^{-1}z^{-1} + a^{-2} )
B.	( frac{z^{-2}}{1-az^{-1}} a^{-1}z^{-1} + a^{-2} )
C.	( frac{z^{-2}}{1-az^{-1}} + a^{-1}z^{-1} a^{-2} )
D.	( frac{z^{-2}}{1+az^{-1}} + a^{-1}z^{-1} + a^{-2} )
Answer» B. ( frac{z^{-2}}{1-az^{-1}} a^{-1}z^{-1} + a^{-2} )

Discussion

No Comment Found

Related MCQs

What is the step response of the system y(n)=ay(n-1)+x(n) -1<a<1, when the initial condition is y(-1)=1?
The impulse response of a relaxed LTI system is h(n)=anu(n), |a|<1. What is the value of the step response of the system as n ?
If X+(z) is the one sided z-transform of the signal x(n), then ( lim_{n rightarrow infty} x(n)= lim_{z rightarrow 1}(z-1) X^+(z) ) is called Final value theorem.
If x(n)=an, then what is one sided z-transform of x(n+2)?
If x(n)=an, then what is one sided z-transform of x(n-2)?
If X+(z) is the one sided z-transform of x(n), then what is the one sided z-transform of x(n-k)?
What is the one sided z-transform of x(n)= (n+k)?
What is the one sided z-transform of x(n)= (n-k)?
The z-transform of a signal x(n) whose definition is given by (X(z)= sum_{n=0}^{ infty} x(n)z^{-n} ) is known as _____________