If \(\vec{a}+2 \vec{b}+3 \vec{c}=\overrightarrow{0}\) and
\((\vec{a} \times \vec{b})+(\vec{b} \times \vec{c})+(\vec{c} \times \vec{a})=\lambda(\vec{b} \times \vec{c})\)
then the value of λ is equal to
1
4
2
2
3
6
4
3
If \(\vec{a}+2 \vec{b}+3 \vec{c}=\overrightarrow{0}\) and
\((\vec{a} \times \vec{b})+(\vec{b} \times \vec{c})+(\vec{c} \times \vec{a})=\lambda(\vec{b} \times \vec{c})\)
then the value of λ is equal to