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Automatic Control Systems - Engineering

Q1:

The system of the given figure

A has two poles and one zero in left half plane

B has two poles and one zero in right half plane

C has two poles in left half plane and zero in right half plane

D none of the above

ANS:C - has two poles in left half plane and zero in right half plane

Since there are two poles at s = -2 and s = -1 and one zero at s = +3.