Automatic Control Systems - Engineering

Q1:

Consider following statements:
  1. Integral of absolute magnitude of error =
  2. Integral time-absolute error =
  3. Integral time-square error =
Which of the above are correct?

A 1 and 3

B 1 only

C 1 and 2

D 2 and 3

ANS:C - 1 and 2

No answer description is available