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If veca and vecb are two vectors , then ...

If `veca and vecb` are two vectors , then prove that `(vecaxxvecb)^(2)=|{:(veca.veca" ",veca.vecb),(vecb.veca" ",vecb.vecb):}|`

A

`|[a*b, a*a], [b*b, b*a]|`

B

`|[a*a, a*b], [b*a, b*b]|`

C

`|[a*b], [b*a]|`

D

None of these

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The correct Answer is:
b
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