Find \(|\vec{a}+\vec{b}|\), if \(|\vec{a}|=3 \,and \,|\vec{b}|=4 \,an – McqOptions

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1.	Find \(\|\vec{a}+\vec{b}\|\), if \(\|\vec{a}\|=3 \,and \,\|\vec{b}\|=4 \,and \,\vec{a}.\vec{b}=6\).
A.	34
B.	\(\sqrt{37}\)
C.	13
D.	\(\sqrt{23}\)
Answer» C. 13

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