The z- transform of a systerm is If the ROC is |z| < 0.2, then the impluse response of the system is-A-(0.2)n ∪[n]B-(0.2)n ∪[ n 1]C- (0.2)n ∪[n]D- (0.2)n ∪[ n 1]-D- (0.2)n ∪[ n 1]

Question

The z- transform of a systerm is  If the ROC is |z| &lt; 0.2, then the impluse response of the system is-A-(0.2)n &cup;[n]B-(0.2)n &cup;[ n 1]C- (0.2)n &cup;[n]D- (0.2)n &cup;[ n 1]-D- (0.2)n &cup;[ n 1]

APTITUDE CRACK · Accepted Answer

D  (0.2)n &cup;[ n 1]  ROC is |z| &lt; 0.2, which shows x(n) must be non causal, therefore sequence must be left handed. But given is z transform of right handed sequence. But if H(z) become then ROC become |z| &lt; 0.2 and inverse z transform of is (0.2)n ∪( n 1).

Signals and Systems

The z- transform of a systerm is If the ROC is |z| < 0.2, then the impluse response of the system is

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Signals and Systems

The z- transform of a systerm is If the ROC is |z| < 0.2, then the impluse response of the system is

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