If \(\rm \vec{a},\vec{b},\vec{c}\) are three non-coplanar vectors, then
\(\rm (\vec{a}+\vec{b}+\vec{c}) \cdot[(\vec{a}+\vec{b}) \times( \vec{a}+\vec{c})]=\)
1
0
2
\(\rm [\vec{a}\; \vec{b} \;\vec{c}]\)
3
2\(\rm [\vec{a}\; \vec{b} \;\vec{c}]\)
4
-\(\rm [\vec{a}\; \vec{b} \;\vec{c}]\)