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What is the period of a signal

What is the period of a signal x(t)?
a) T
b) 2T
c) T/2
d) None of the mentioned
2. Which of the given signals are periodic?
a) x(t) = 4 cos(5pt)
b) x(t) = u(t) – 1/2
c) x(t) = 4u(t) + 2sin(3t)
d) x[n] = 2sin(3n)

A

Jul 28 2020 View more View Less

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