Calculus
posted by J .
Find the shortest distance between the two skew lines L1 and L2 with equations r = [1,2,2] + s [4,3,2] and r = [1,0,3] + t [4,6,1]

ever heard of google? In less than a minute I found help for your question.
search for distance between skew lines
and visit the link named
Mathematics: Vector calculus: distance between skew...
Plug in your numbers and crank it out. The explanation is very clear and concise.