For the transfer functionG(s) H(s) = 1 / s(s+1) (s+0.5), the phase cross-over frequency is

For the transfer functionG(s) H(s) = 1 / s(s+1) (s+0.5), the phase cro

1.	For the transfer functionG(s) H(s) = 1 / s(s+1) (s+0.5), the phase cross-over frequency is
A.	0.5 rad/sec
B.	0.707 rad/sec
C.	1.732 rad/sec
D.	2 rad/sec
Answer» C. 1.732 rad/sec