Mathematics - Vector Question with Solution | TestHub

If $\vec{a},\vec{b},\vec{c}$ are non-coplanar vectors and $\lambda$ is a real number then $\left[\lambda (\vec{a}+\vec{b}){\lambda }^2\vec{b}\lambda \vec{c}\right]=[\vec{a}\vec{b}+\vec{c}\vec{b}]$ for