The Fourier series coefficient of the signal y(t) = x(t-t0) + x(t+t0)

1.	The Fourier series coefficient of the signal y(t) = x(t-t₀) + x(t+t₀) is _____________
A.	2 cos ( ( frac{2 }{t} ) kt<sub>0</sub>) X[k]
B.	2 sin ( ( frac{2 }{t} ) kt<sub>0</sub>) X[k]
C.	2 cos ( ( frac{2 }{t} ) kt<sub>0</sub>)
D.	2 sin ( ( frac{2 }{t} ) kt<sub>0</sub>)
Answer» B. 2 sin ( ( frac{2 }{t} ) kt<sub>0</sub>) X[k]

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