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Let vec u, vec nu and vec w vectors that...

Let `vec u, vec nu` and `vec w` vectors that `vec u + vec nu + vec w = vec 0`. If `|vec u | =3, |vec nu| = 4`, and `|vec w| = 5`, then ` vec u. vec nu + vec nu . vec w + vec w . vec u =`

A

47

B

minus 25

C

0

D

25

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The correct Answer is:
B
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