Match the inferences X, Y, and Z, about a system, to the corresponding properties of the elements of first column in Routh’s Table of the system characteristic equation.X: The system is stable …Y: The system is unstable …Z: The test breaks down …P: … when all elements are positiveQ: … when any one element is zeroR: … when there is a change in sign of coefficients

• A. X→P, Y→Q, Z→R
• B. X→Q, Y→P, Z→R
• C. X→R, Y→Q, Z→P
• D. X→P, Y→R, Z→Q