Multiple choice

A sequence x(n) has non-zero values as shown in the figure.

The Fourier transform of y(2n) will be

  1. $e^{-j2\omega} [cos4\omega + 2cos 2 \omega +2]$
  2. $[cos2\omega + 2cos \omega +2]$
  3. $e^{-j\omega} [cos2\omega + 2cos \omega +2]$
  4. $e^{j2\omega} [cos2\omega + 2cos \omega +2]$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation