MCQOPTIONS
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MCQOPTIONS
| 1. |
The vectors from origin to the points A and B are \[\vec{A}=3\hat{i}\,-6\hat{j}\,+2\hat{k}\] and \[\vec{B}=2\hat{i}+\,\hat{j}\,-2\hat{k}\] respectively. The area of the triangle OAB be |
| A. | \[\frac{5}{2}\,\sqrt{17}\,sq\,units\] |
| B. | \[\frac{2}{5}\,\sqrt{17}\,sq\,unit\] |
| C. | \[\frac{3}{5}\,\sqrt{17}\,sq\,unit\] |
| D. | \[\frac{5}{3}\,\sqrt{17}\,sq\,unit\] |
| Answer» B. \[\frac{2}{5}\,\sqrt{17}\,sq\,unit\] | |