\text { Suppose the currents along the phase conductors are } \left.\left[I_{a b c}\right]=\left[\begin{array}{c} 100 \angle 0^{\circ} \\ 100 \angle-120^{\circ} \\ 100 \angle 120^{\circ} \end{array}\right]_{\rfloor} \end{array}\right] \text {. Find the current along } the neutral conductor. (+10 points)

Fig: 1

Fig: 2