If x(n)=an, then what is one sided z-transform of x(n-2)?
Posted: Thu Jul 14, 2022 9:44 am
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) \(\frac{z^{-2}}{1+az^{-1}} + a^{-1}z^{-1} + a^{-2}\)
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) \(\frac{z^{-2}}{1+az^{-1}} + a^{-1}z^{-1} + a^{-2}\)