${{\Pi }_{1}}:\mathbf{r}\cdot \left( \begin{matrix} -2 \ -3 \ 1 \ \end{matrix} \right)=7$, \({{

Question

${{\Pi }_{1}}:\mathbf{r}\cdot \left( \begin{matrix} -2 \ -3 \ 1 \ \end{matrix} \right)=7$, ${{\Pi }_{2}}:2x+3y-z=4$

Accepted Answer

(i) $0^\circ$ (ii) $\frac{11}{\sqrt{14}}$ units

Vectors - Relationships Between Two Planes