Consider the following overall T.F. for a unity feedback

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Consider the following overall T.F. for a unity feedback system
= 4
s² + 4s + 4

Which of the following statements regarding this system are correct?
1. Position error constant KP for the system is 4.
2. The system type one.
3. The velocity error constant Kv for the system is finite.
Select the correct answer code—

1. 1, 2, 3
2. 1, 2
3. 2, 3
4. s1, 3

Correct Option: D

NA