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The three vectors a, b and c with magnit...

The three vectors a, b and c with magnitude 3, 4 and 5 respectively and `a+b+c=0,` then the value of `a.b+b.c+c.a` is

A

47

B

25

C

50

D

`-25`

Text Solution

Verified by Experts

The correct Answer is:
D
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