- #1
mrroboto
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Homework Statement
Find 2 lines in R3 that are not parallel and do not intersect.
Homework Equations
orthogonal: a.b=0
parallel: a=tb
The Attempt at a Solution
(1,1,1) and (2,3,4)
(1,1,1).(2,3,4) = 7
and there does not exist a t such that
t(1,1,1) = (2,3,4)