Given A= [1,1,1] and B=[2,-1,0] Find vector C which is Coplanar With A and B and perpendicular to A My solution:1. The triple product for ll those three vectors should equal 0 (i.e. A.(BXC)= 0)2. A.C=0 (i.e using Dot product)So, I've 2 equations and i can't get C can anybody help, Urgently please?