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