G(s) = 1/(s² + 0.2s + 1). It is required that response settles to within 2% of final value for a step input. The settling time is

G(s) = 1/(s² + 0.2s + 1). It is required that response settles to wit

1.	G(s) = 1/(s² + 0.2s + 1). It is required that response settles to within 2% of final value for a step input. The settling time is
A.	20 sec
B.	40 sec
C.	35 sec
D.	45 sec
Answer» C. 35 sec