Determine the indices for the shaded plane of the hexagonal unit cell. (Problem 3.32(b) from 10th ed Callister). Note: in the assessments, you will be expected and awarded for showing your workings for such a question. 

Bepaal die indekse vir ingekleurde vlak van die heksagonaal eenheidsel. (Probleem 3.32(b) van die 10de wge Callister). Let wel: in die assesserings sal u verwag en bekroon word vir die wys van u bewerkings vir so 'n vraag.