Mathematics - Vector Question with Solution | TestHub

If $\vec{a},\vec{b},\vec{c}$ be non-coplanar unit vectors equally inclined to one another at an acute angle $\theta$, and if $\vec{a}\times \vec{b}+\vec{b}\times \vec{c}=p\vec{a}+q\vec{b}+r\vec{c}$ then $p-r=(p,q,r\in R)$