In triangle XYZXYZXYZ, XY⃗=−2i+6j+3k\vec{XY} = -2\mathbf{i} + 6\mathbf{j} + 3\mathbf{k}XY=−2i+6j+3k, XZ⃗=5i+2j−k\vec{XZ} = 5\mathbf{i} + 2\mathbf{j} - \mathbf{k}XZ=5i+2j−k
Find the vector YZ⃗\vec{YZ}YZ
Find the length of the line XYXYXY
168 exam-style questions on OCR (MEI) A Level Maths 1.11 Vectors, covering 1.11.1 Language of vectors in two dimensions, 1.11.2 Add, subtract and scale vectors, 1.11.3 Magnitude and direction of a vector, 1.11.4 Position vectors, 1.11.5 Distance between points by position vectors, 1.11.6 Vectors to solve problems, 1.11.7 Language of vectors in three dimensions (A-level only), and 1.11 Vectors. Each one has a worked solution and a mark scheme showing where the marks go.