1.

The direction cosines of a line segment \[AB\] are \[-2/\sqrt{17},\] \[3/\sqrt{17},\,\,-2/\sqrt{17}.\] If \[AB=\sqrt{17}\] and the co-ordinates of A are (3, -6, 10), then the co-ordinates of B are

A. (1, -2, 4)
B. (2, 5, 8)
C. (-1, 3, -8)
D. (1, -3, 8)
Answer» E.


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