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Signals and systems electrical engineering miscellaneous

  1. For even function, the necessary condition is
    1. ƒ(t) = – ƒ(– t)
    2. ƒ(t) = + ƒ(– t)
    3. ƒ(t) = 1/ƒ(–t)
    4. ƒ(t) = – (t ± T/2)
Correct Option: B

NA



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