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| 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. | |