1.

Assertion (A): The discrete time system described by y[n] =2x[n] +4x[n-1] is unstable
Reason (R): It has an impulse response with a finite number of non-zero samples

A. t Both A and R are true and R is correct explanation of A
B. tBoth A and R are true but R is not correct explanation of A
C. tA is true but R is false
D. tA is false but R is true
Answer» E.


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