1.
If a\vec{a}, b\vec{b}, c\vec{c} are non-coplanar vectors such that b×c=a\vec{b} \times \vec{c} = \vec{a}, c×a=b\vec{c} \times \vec{a} = \vec{b}, a×b=c\vec{a} \times \vec{b} = \vec{c}, then which of the following is not TRUE?