MCQOPTIONS
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| 1. |
In_the_calculations_of_the_bearings,_we_often_use_vector_math._So_for_those_systems_which_of_the_following_is_true?$ |
| A. | i x i =1 |
| B. | j x i = -j |
| C. | k x j = -i |
| D. | k x k = 1 |
| Answer» D. k x k = 1 | |