Introduction to 3DHard
Question
A line passing through the point (− 5, 1, 3) and (1, 2, 0) is perpendicular to the line passing through the point (x, 2, 1) and (0, − 4, 6) then x equal to -
Options
A.7/2
B.− 7/2
C.1
D.− 1
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