An LTI system having transfer function s2+1/s2+2s+1 and input x(t) =sin(t+1) is in steady state. The output is sampled at ws rad/s to obtain the final output {y (k)}. Which of the following is true?

Y is non zero for all sampling frequencies ws

Y is zero for all sampling frequencies ws

Y is non zero for ws>2 but zero for ws

Y is zero for ws>2 but non zero for ws

An LTI system having transfer function s2+1/s2+2s+1 and input x(t) =si

1.	An LTI system having transfer function s2+1/s2+2s+1 and input x(t) =sin(t+1) is in steady state. The output is sampled at ws rad/s to obtain the final output {y (k)}. Which of the following is true?
A.	Y is zero for all sampling frequencies ws
B.	Y is non zero for all sampling frequencies ws
C.	Y is non zero for ws>2 but zero for ws<2
D.	Y is zero for ws>2 but non zero for ws<2
Answer» B. Y is non zero for all sampling frequencies ws

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