MCQOPTIONS
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MCQOPTIONS
| 1. |
What is \(\left( {\vec a - \vec b} \right) \times \left( {\vec a + \vec b} \right)\)equal to? |
| A. | \(\vec 0\) |
| B. | \(\vec a \times \vec b\) |
| C. | \(2\left( {\vec a \times \vec b} \right)\) |
| D. | \({\left| {\vec a} \right|^2} - {\left| {\vec b} \right|^2}\) |
| Answer» D. \({\left| {\vec a} \right|^2} - {\left| {\vec b} \right|^2}\) | |