(i)[3]
Show that these planes are perpendicular.
(ii)[6]
Find a vector equation for the line where the two planes intersect.
Mathematics 9709 · AS & A Level · Vectors
Vectors — practice question
The two planes are given by $3x + y - z = 2$ and $x - y + 2z = 3$.
Worked solution & mark scheme
This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “State or imply a valid normal vector to either plane, for example $3\mathbf{i}+\mathbf{j}-\mathbf{k}$” …
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