Which of the following is a periodic function if 'ω' is a constant an – McqOptions

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1.	Which of the following is a periodic function if 'ω' is a constant and 't' represents time?
A.	log (ω t)
B.	e–ωt
C.	2П√( 1/ωt)
D.	sin ωt + cos 2 ωt + sin 4 ωt
Answer» E.

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