Thread: distance between two skew lines.
View Single Post
  #2  
Old May 20th, 2009, 09:40 AM
Plato Plato is offline
MHF Contributor

  
Join Date: Aug 2006
Posts: 6,709
Thanks: 68
Thanked 2,482 Times in 2,276 Posts
Plato has a reputation beyond reputePlato has a reputation beyond reputePlato has a reputation beyond reputePlato has a reputation beyond reputePlato has a reputation beyond reputePlato has a reputation beyond reputePlato has a reputation beyond reputePlato has a reputation beyond reputePlato has a reputation beyond reputePlato has a reputation beyond reputePlato has a reputation beyond repute
Default
Quote:
Originally Posted by qkfxjs View Post
Find the distance between two skew lines:
L1: x = 2s, y = 2s - 1, z = s + 1, and L2: x = t, y = 2t - 2, z = 3.
If P+tD~\&~Q+sE are two skew lines, the the distance between them is \frac{{\left| {\overrightarrow {PQ} \cdot \left( {D \times E} \right)} \right|}}{{\left\| {\left( {D \times E} \right)} \right\|}}
Reply With Quote