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Signal and systems miscellaneous
  1. The discrete time Fourier transform (DTFT) of x[n] = 2(3)n u[– n] is equal to—
    1. 2
      1 – ejΩ/3
    2. 2
      1 + ejΩ/3
    3. 2
      1 +ejΩ/3
      1 – ejΩ/3
    4. 2
      1 –ejΩ/3
      1 + ejΩ/3
Correct Option: C

NA


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