How would you find a unit vector perpendicular to plane ABC where points are A(3,-1,2), B(1,-1,-3) and C(4,-3,1)?
The desired unit vector is
We know that, given two vectors, say
or Outer Product , denoted by
perpendicular to the plane containing them.
The given pts.
Accordingly, the vectors
Finally, the reqd. unit vector will be
Finally, the desired unit vector is