MCQOPTIONS
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MCQOPTIONS
| 1. |
The unit vector parallel to the resultant of the vectors \[\overrightarrow{A}=4\hat{i}+3j+6\hat{k}\] and \[\overrightarrow{B}=-\hat{i}+3j-8\hat{k}\] is |
| A. | \[\frac{1}{7}(3\hat{i}+6j-2\hat{k})\] |
| B. | \[\frac{1}{7}(3\hat{i}+6j+2\hat{k})\] |
| C. | \[\frac{1}{49}(3\hat{i}+6j-2\hat{k})\] |
| D. | \[\frac{1}{49}(3\hat{i}-6j+2\hat{k})\] |
| Answer» B. \[\frac{1}{7}(3\hat{i}+6j+2\hat{k})\] | |