If a and b are two vectors.then the valu...

If a and b are two vectors.then the value of `(a+b)xx(a-b)` is

A

`2(bar(b)xx bar(a))`

B

`-2(bar(b)xx bar(a))`

C

`bar(b)xx bar(a)`

D

`bar(a)xxbar(b)`

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The correct Answer is:

A

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