What is the Fourier transform X( ) of a finite energy discrete time si – McqOptions

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1.	What is the Fourier transform X( ) of a finite energy discrete time signal x(n)?
A.	( sum_{n=- }^ x(n)e^{-j n} )
B.	( sum_{n=0}^ x(n)e^{-j n} )
C.	( sum_{n=0}^{N-1}x(n)e^{-j n} )
D.	None of the mentioned
Answer» B. ( sum_{n=0}^ x(n)e^{-j n} )

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