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Mathematics: Post your doubts here!

The points A and B have position vectors, relative to the origin O, given by −−→OA = i+2j+3k and −−→OB = 2i+j+3k. The line l has vector equation r = (1−2t)i+ (5+t)j+ (2−t)k. (i) Show that l does not intersect the line passing through A and B. (ii) The point P lies on l and is such that angle PAB...
- Aamir Bilal Syed
- Post #10,803
- Apr 9, 2014
- Forum: A-Levels

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