If \(|\vec a|\) = 3, \(\left| {\vec b} \right| = 4\) and \(\left| {\ – 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.

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