MCQOPTIONS
Saved Bookmarks
| 1. |
If the position vector of one end of the line segment AB be \[2\mathbf{i}+3\mathbf{j}-\mathbf{k}\] and the position vector of its middle point be \[3\,(\mathbf{i}+\mathbf{j}+\mathbf{k}),\] then the position vector of the other end is |
| A. | \[4\mathbf{i}+3\mathbf{j}+5\mathbf{k}\] |
| B. | \[4\mathbf{i}-3\mathbf{j}+7\mathbf{k}\] |
| C. | \[4\mathbf{i}+3\mathbf{j}+7\mathbf{k}\] |
| D. | \[4\mathbf{i}+3\mathbf{j}-7\mathbf{k}\] |
| Answer» D. \[4\mathbf{i}+3\mathbf{j}-7\mathbf{k}\] | |