Homework Statement
Find the distance from point P (1,7,3) to the line
(x,y,z) = (-2,1,4) + s(1,-3,4),
s is a free variable
Homework Equations
projnQP = ( QP⋅n/(lengthQP)(lengthn) )(n)
The Attempt at a Solution
I'm not quite sure about how to find the normal (n) here, but if I make s=0, I'm...