Question 2
Show that the line through the points (1, - 1, 2), (3, 4, - 2) is perpendicular to the line through the points (0, 3, 2) and (3, 5, 6).
SOLUTION
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Show that the line through the points (1, - 1, 2), (3, 4, - 2) is perpendicular to the line through the points (0, 3, 2) and (3, 5, 6).