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Signals and Systems by Smarajit Ghosh

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MULTIPLE CHOICE QUESTIONS
  1. If y(t) = x1(t)*x2(t), find the correct expression from the following:
    1. image
    2. image
    3. image
    4. image
  2. Find the correct expression:
    1. x(t)* δ (tt0) = x(tt0)
    2. x(t)* δ (tt0) = 1
    3. x(t)* δ (tt0) = x(t0)
    4. x(t)* δ (tt0) = x(t)
  3. Find the correct expression:
    1. δ (tt1) * δ (tt2) = δ (ttt2)
    2. δ (tt1) * δ (tt2) = 0
    3. δ (tt1) * δ (tt2) = δ (t

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