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Two sine waves with periods of 10 ms and 30 ms are added to produce a single waveform. A spectrum analyzer is used to examine
the frequency contents of the waveform. What frequencies would you expect to see in the spectrum analyzer?
(A) 10 Hz and 30 Hz
(B) 100 Hz and 33.3 Hz
40 Hz
(D) 133.3 Hz

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