What is 4 point Discrete Fourier Transform of signal x(n) = (1, 2, 3, – McqOptions

MCQOPTIONS

1.	What is 4 point Discrete Fourier Transform of signal x(n) = (1, 2, 3, 4)
A.	[10, 2j, -2, -2j]
B.	[10, -2, -2, -2]
C.	[10, -2+2j, -2, -2-2j]
D.	[10j, -2, -2, -10j]
Answer» D. [10j, -2, -2, -10j]

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