1.

If the direction cosines of bar(AB) are (-2)/(sqrt(17)), (3)/(sqrt(17)), (-2)/(sqrt(17)) such that A-=(3, -6, 10) and l(AB)=sqrt(17), then the co-ordinates of point B are

Answer»

(1, 3, -8) or (5, -9, 12)
(1, -3, 8) or (5, -9, 12)
(1, -3, 8) or (5, 9, -12)
(1, 3, -8) or (5, 9, -12)

ANSWER :B


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