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

Options

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

Answer

b