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Let vec a,vec b,vec c be three vectors ...

Let `vec a,vec b,vec c` be three vectors from `vec a xx (vec bxxvec c) = (vec axxvec b)xx vec c`, if

A

`b xx (a xx c)= 0`

B

`a(b xx c)= 0`

C

`c xx a = a xx b`

D

`c xx b = b xx a`

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The correct Answer is:
A
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