MCQOPTIONS
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| 1. |
For two vectors A and B, what is A.B (if they have angle α between them)?a) |A||B| cosαb) |A||B|c) √(|A||B |
| A. | |A||B| cosα |
| B. | |A||B| |
| C. | √(|A||B|) cosα |
| D. | |A||B| sinα |
| Answer» B. |A||B| | |