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GATE Electrical 2013 | Question: 5

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Which of the following statement is NOT TRUE for a continuous time causal and stable $LTI$ system?

  1. All the poles of the system must lie on the left side of $j\omega$ axis
  2. Zeros of the system can lie anywhere in the $s$ – plane
  3. All the poles must lie within $\mid s\mid=1$
  4. All the roots of the characteristic equation must be located on the left side of $j\omega$ axis

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