Loop transfer function of a feedback system is $G(s)H(s)=\dfrac{s+3}{s^{2}(s-3)}$. Take the Nyquist contour in the clockwise direction. Then, the Nyquist plot of $G(s) H (s)$ encircles $-1 + j0$
- Once in clockwise direction
- Twice in clockwise direction
- Once in anticlockwise direction
- Twice in anticlockwise direction