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(overline(x)-overline(y))xx(overline(x)+...

`(overline(x)-overline(y))xx(overline(x)+overline(y))=`....... , where `overline(x),overline(y) inR^(3)`

A

`|overline(x)|^(2)-|overline(y)|^(2)`

B

`(1)/(2)(overline(x)xxoverline(y))`

C

`2(overline(x)xxoverline(y))`

D

None of them

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