Skew lines, or Intersecting? Find out via Geometric Algebra

To demonstrate how to use the outer product to eliminate variables in simultaneous vector equations, we find the intersection of two lines, and detect when lines are skew.

LinkedIn group "Pre-University Geometric Algebra":
https://www.linkedin.com/groups/8278281/ .

Playlist:
"Geometric Algebra for High Schoolers":
https://www.youtube.com/playlist?list=PL4P20REbUHvzPW8rkHVyu9l20fJ5Iih2M .