(i)[4]
Determine the acute angle between the planes.
(ii)[6]
Find a vector equation for the line of intersection of the planes.
Mathematics 9709 · AS & A Level · Vectors
Vectors — practice question
The two planes are given by the equations $2x + 3y - z = 1$ and $x - 2y + z = 3$.
Worked solution & mark scheme
This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Give, or clearly indicate, a suitable normal vector to either plane, for example $2\mathbf{i}+3\mathbf{j}-\mathbf{k}$ or $\mathbf{i}-2\mathbf{j}+\mathbf{k}$” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI