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TIFR ECE 2016 | Question: 4

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Consider a system which in response to input $x(t)$ outputs

\[y(t)=x\left(t^{2}\right) .\]

Which of the following describes the system?

  1. linear, time-invariant, causal
  2. linear, time-invariant, non-causal
  3. linear, time-variant
  4. non-linear, time-invariant
  5. non-linear, time-variant

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