The first element of each of the rows of the Routh-Hurwitz stability test showed the signs as follows:RowIIIIIIIVVSign+--+- Consider the following statements:1. The system has three roots in the right-half of s-plane.2. The system has three roots in the left-half of s-plane.3. The system is stable.4. The system is unstable.Which of the above statements about the system are correct?

The first element of each of the rows of the Routh-Hurwitz stability t

1.	The first element of each of the rows of the Routh-Hurwitz stability test showed the signs as follows:RowIIIIIIIVVSign+--+- Consider the following statements:1. The system has three roots in the right-half of s-plane.2. The system has three roots in the left-half of s-plane.3. The system is stable.4. The system is unstable.Which of the above statements about the system are correct?
A.	1 and 3
B.	1 and 4
C.	2 and 3
D.	2 and 4
Answer» C. 2 and 3