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GATE ECE 2009 | Question-42

The $4$-point Discrete Fourier Transform (DFT) of a discrete time sequence $\{1,0,2,3\}$ is

  1. $[0,-2+2 j, 2,-2-2 j]$
  2. $[2,2+2 \mathrm{j}, 6,2-2 \mathrm{j}]$
  3. $[6,1-3 \mathrm{j}, 2,1+3 \mathrm{j}]$
  4. $[6,-1+3 \mathrm{j}, 0,-1-3 \mathrm{j}]$
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