1.

If AB=21, B-=(-2,1,-8) and the direction cosines of AB are 6/7, 2/7, 3/7 , then the co-ordinates of points in line PQ nearer to the origin at a distance of 14 units from A are

Answer»

`(-16,-7,-1)`
`(-20, -5,17)`
`(16,7,1)`
`(20, 5,17)`

ANSWER :C


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