The open-loop transfer function of a plant is given as
G(s)= 1/(s²-1). If the plant is operated in a unity feedback configuration, then the lead compensator that can stabilize this control system is
(A) 10(s-1)/(s+2)
(B) 10(s+4)/(s+2)
(C) 10(s+2)/(s+10)
(D) 2(s+2)/(s+10)
