1. The problem statement, all variables and given/known data (a -b) [tex]\cdot[/tex] (b - c) [tex]\times[/tex] (c - a) 2. Relevant equations 3. The attempt at a solution Honestly I have no idea where to being. I believe this expression is a scalar triple product but I do not know how to use the properties to simplify this expression. Sorry, kind of screw up the latex symbols. Not sure how to use it probably.