In triangle PQRPQRPQR, PQ⃗=3i−4j+2k\vec{PQ} = 3\mathbf{i} - 4\mathbf{j} + 2\mathbf{k}PQ=3i−4j+2k, PR⃗=7i+j−3k\vec{PR} = 7\mathbf{i} + \mathbf{j} - 3\mathbf{k}PR=7i+j−3k
Find the vector QR⃗\vec{QR}QR
Find the length of the line PQPQPQ
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.