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Automatic Control Systems - Engineering

Q1:

Consider the following expressions which indicate the step or impulse response of an initially relaxed system
  1. [5 - 4 e-2t] u(t)
  2. [e-2t + 5] u(t)
  3. d(t) + 8 e-2tu(t)
  4. d(t) + 4 e-2tu(t)
Those which correspond to the step and impulse response of the same system include

A 1 and 3

B 1 and 4

C 2 and 4

D 2 and 3

ANS:A - 1 and 3

No answer description is available