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- Impulse response decreases exponentially.
- Area within the impulse response in finite.
- Eigen values of the system are positive and real.
- Roots of the characteristic equation of the system are real and positive.
Which of the following represents a stable system?
| |
A. | 1 and 4 [Wrong Answer] |
B. | 1 and 3 [Wrong Answer] |
C. | 2, 3 and 4 [Wrong Answer] |
D. | 1, 2 [Correct Answer] |