1.

The Fourier series coefficient of the signal y(t) = Even{x(t)} is ___________

A. ( frac{X[k]+X[-k]}{2} )
B. ( frac{X[k]-X[-k]}{2} )
C. ( frac{X[k]+X^* [-k]}{2} )
D. ( frac{X[k]-X^* [-k]}{2} )
Answer» B. ( frac{X[k]-X[-k]}{2} )


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