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If vec(a) is vector perpendicular to bo...

If `vec(a) ` is vector perpendicular to both `vec(b) and vec(c )`, then

A

`vec a .(vec b xx vec c) = 0`

B

`vec a xx (vec b xx vec c) = vec 0`

C

`vec a xx (vec b + vec c) = vec 0`

D

`vec a + (vec b + vec c) = vec 0`

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The correct Answer is:
B
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