9000101103

Find the distance between two parallel lines $p$ and $q$. $$\begin{array}{rlr}p:x& =2,& \\ y& =3t,\\ z& =1-t;t\in \mathbb{R}\end{array}\begin{array}{rlr}q:x& =3,& \\ y& =6s,\\ z& =1-2s;s\in \mathbb{R}\end{array}$$