Solution to find out the value of x GATE Notes | EduRev

GATE : Solution to find out the value of x GATE Notes | EduRev

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A real and odd periodic signal x[n] has fundamental period N = 7 and FS coefficients X [k]. Given that X [15] = j, X [16] = 2j, X [17] = 3j. The values of X [0],X [-1], X [-2], and X [ -3] will be
  • a)
    0, j,2j, 3j
  • b)
    1, -1, -2, -3
  • c)
    1, 1, 2, 3
  • d)
    0,  -j , -2 j, -3 j
Correct answer is option 'D'. Can you explain this answer?

Ref: https://edurev.in/question/520425/A-real-and-odd-periodic-signal-x-n-has-fundamenta


Image
If time period is seven then it must also repeat after (2N) times therefore it can be solved like this.
if any queries you can ask me
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