The ratio in which the join of (1, – 2, 3) and (4, 2, – 1) is divided by the xy plane is
Mathematics · Class 11 · CBSE — Introduction to Three-dimensional Geometry
The ratio in which the join of (1, – 2, 3) and (4, 2, – 1) is divided by the xy plane is
- 1 : 3 internally
- 3 : 1 internally
- 1 : 3 externally
- None of these
Answer
(C) 1 : 3 externally
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