The open loop transfer function of a unity feedback system is G(s) = 1/(s+2)². The poles of closed loop system are at

The open loop transfer function of a unity feedback system is G(s) =

1.	The open loop transfer function of a unity feedback system is G(s) = 1/(s+2)². The poles of closed loop system are at
A.	-2, -2
B.	-2, -1
C.	- 2, ± j 1
D.	- 2, 2
Answer» D. - 2, 2