MCQOPTIONS
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MCQOPTIONS
| 1. |
What is {(i.i) + (-i.j) + (-k.k) + (k.i)}.(Ai +Bj + Cz)?$ |
| A. | 1 |
| B. | 0 |
| C. | A + B + C |
| D. | -1 |
| Answer» D. -1 | |