The Fourier series coefficient of time domain signal x (t) is X[k] = j – McqOptions

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1.	The Fourier series coefficient of time domain signal x (t) is X[k] = j [k-1] j [k+1] + [k+3] + [k-3], the fundamental frequency of the signal is =2 . The signal is ___________
A.	2(cos 3 t sin t)
B.	-2(cos 3 t sin t)
C.	2(cos 6 t sin 2 t)
D.	-2(cos 6 t sin 2 t)
Answer» D. -2(cos 6 t sin 2 t)

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