(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement,

all variables and given/known data

There are 4 vectors a,b,u,v in space and {u,v} are linearly independen

The groups A={a+s*u|s E R} B = {b+t * v|t E R}are two lines in space

The Two A , B lines does not meet and the "part/line/segment (I dont know how it called ) " PQ is the smallest part that is ends are [tex]Q \in B ,P \in A [/tex] show that the length of PQ is"

[tex]\frac{|(u \times v)\bullet(a-b)|}{||u \times v||}[/tex]

2. Relevant equations

all calc/..

3. The attempt at a solution

I mange to get to the point of

[tex]u \times v =(s)[/tex]

and then

[tex]\frac{L(s)*L(a-b)*cos(w)}{L(s)}=L(a-b)*cos(w) [/tex]

bUT I dont know whats next

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# Homework Help: Prove distance between lines

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