

MCQOPTIONS
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1. |
If \(|\vec a|\) = 3, \(\left| {\vec b} \right| = 4\) and \(\left| {\vec a - \vec b} \right| = 5,\) then what is the value of \(\left| {\vec a + \vec b} \right|\)? |
A. | 8 |
B. | 6 |
C. | 5√2 |
D. | 5 |
Answer» E. | |