s2 – 0.75s + 0.25 is the characteristic equation of a second order system. Its response to unit step function will be,

s2 – 0.75s + 0.25 is the characteristic equation of a second order s

1.	s2 – 0.75s + 0.25 is the characteristic equation of a second order system. Its response to unit step function will be,
A.	Over damped
B.	Under damped
C.	Critically damped
D.	Exponential growth
Answer» E.