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1. Determine whether or not each of the following signals is periodic. If the signal is...

1. Determine whether or not each of the following signals is periodic. If the
signal is periodic determine the fundamental period.
a) x1(t) = 1.5 sin (2000 π t)
b) x2(t) = 2 sin (6000 π t)

2. Now determine whether the sum of the two signals above is periodic. If the
signal is periodic determine the fundamental period.

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