Let `| vec(a) | = 1, | vec(b) | = 2, | vec(c) | =3` and `vec(a) bot ( vec(b) + vec(c) , vec(b)) bot ( vec(c) + vec(a

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Q 2220767611.     Let `| vec(a) | = 1, | vec(b) | = 2, | vec(c) | =3` and

`vec(a) bot ( vec(b) + vec(c) , vec(b)) bot ( vec(c) + vec(a) )` and `vec(c) bot ( vec(a) + vec(b) )`.Then

`| vec(a) + vec(b) + vec(c) |` is
A

`sqrt(6)`

B

`6`

C

`sqrt(14)`

D

None of these

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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