1.

Find the inverse z-transform of \(X\left( z \right) = \frac{1}{{\left( {1 - 0.25{z^{ - 1}}} \right)}}\)

A. \({\left( {\frac{1}{4}} \right)^n}u\left[ { - n + 1} \right]\)
B. \({\left( {\frac{1}{2}} \right)^n}\)
C. \({\left( {\frac{1}{4}} \right)^n}u\left[ n \right]\)
D. \({\left( {\frac{1}{2}} \right)^{ - n}}u\left[ { - n} \right]\)
Answer» D. \({\left( {\frac{1}{2}} \right)^{ - n}}u\left[ { - n} \right]\)


Discussion

No Comment Found

Related MCQs