Consider the following statements:The gain margin and phase margin of an unstable system may respectively be1. Positive, positive2. Positive, negative3. Negative, positive4. Negative, negativeOf these statements

Consider the following statements:The gain margin and phase margin of

1.	Consider the following statements:The gain margin and phase margin of an unstable system may respectively be1. Positive, positive2. Positive, negative3. Negative, positive4. Negative, negativeOf these statements
A.	1 and 4 are correct
B.	1 and 2 are correct
C.	1, 2 and 3 are correct
D.	2,3 and 4 are correct
Answer» E.