Question: Theoretically, the minimum sampling frequency necessary to avoid aliasing a waveform containing frequencies of 2 5 , 7 5 , 1 0 0 and 2

Theoretically, the minimum sampling frequency necessary to avoid aliasing a waveform containing frequencies of 25,75,100 and 200 Hz is:
a.1000 samples/sec.
b.200 samples/sec.
c.2000 samples/sec.
d.400 samples ?sec.
Theoretically, the minimum sampling frequency

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