The necessary condition of stability are:
A. Coefficient of characteristic equation must be real and have the same sign
B. Coefficient of characteristic equation must be non-zero
C. Both of the mentioned
D. Coefficient of characteristic equation must be zero
Answer:C
The necessary condition of stability are:
A. Coefficient of characteristic equation must be real and have the same sign B. Coefficient of characteristic equation must be non-zero C. Both of the mentioned D. Coefficient of characteristic equation must be zero
Explanation: The necessary condition of stability are coefficient of characteristic equation must be real, non-zero and have the same sign.