Answer: (3,4,0).
- A (1,2,3)
- B (3,4,0)
- C (4,6,3)
- D (5,8,6)
Correct answer: B. (3,4,0)
Explanation: Direction ratios = (x2-x1, y2-y1, z2-z1) = (4-1, 6-2, 3-3) = (3, 4, 0).
Three mutually perpendicular axes x, y, z meeting at the origin O, with a point P located by its (x, y, z) coordinates.
Concept context
Lines and planes in 3D space, direction cosines, distances, and angles