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Automatic Control Systems - Engineering

Q1:

Consider the following statements about root locus
  1. The root locus is symmetrical about real axis.
  2. If a root locus branch moves along the real axis from an open loop pole to zero or to infinity, this root locus branch is called real root branch.
  3. The breakaway points of the root locus are the solutions of
Which statements out of above are correct?

A 1 and 2 only

B 1 and 3 only

C 1, 2 and 3

D 2 and 3 only

ANS:C - 1, 2 and 3

No answer description is available.