Which of the following statement is NOT TRUE for a continuous time causal and stable $LTI$ system?
- All the poles of the system must lie on the left side of $j\omega$ axis
- Zeros of the system can lie anywhere in the $s$ – plane
- All the poles must lie within $\mid s\mid=1$
- All the roots of the characteristic equation must be located on the left side of $j\omega$ axis