What is the discrete-time signal obtained after sampling the analog s – McqOptions

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1.	What is the discrete-time signal obtained after sampling the analog signal x(t)=cos(2000pit)+sin(5000pit) at a sampling rate of 5000 samples/sec?
A.	cos(2.5pin)+sin(pi*n)
B.	cos(0.4pin)+sin(pi*n)
C.	cos(2000pin)+sin(5000pin)
D.	none of the mentioned
Answer» C. cos(2000pin)+sin(5000pin)

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