Homework Statement
L1 pass through the points (-2,36,9) and (-8,44,12)
L2 pass through the points (55,-31,7) and (41,-16,13)
Find a point P on L1 and a point Q on L2 so that the vector \vec{}PQ is orthgonal to both lines.
Homework Equations
Dot product/ Cross product
The Attempt at a...