Show that the lines x 1 2t, y 3t, z 1 t and x 1 2s, y 4 s, z 1 s intersect orthogonally
Chapter 7, Problem 41(choose chapter or problem)
Show that the lines x = 1 - 2t, y = 3t, z = 1 + t and x = 1 + 2s, y = -4 + s, z = -1 + s intersect orthogonally.
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