Given that the point P P\,P has position vector 5i+2j−4k5\mathbf{i} + 2\mathbf{j} - 4\mathbf{k}5i+2j−4k and the point Q Q\,Q has position vector −3i+j+6k-3\mathbf{i} + \mathbf{j} + 6\mathbf{k}−3i+j+6k
Find the vector PQ→\overrightarrow{PQ}PQ
Find ∣PQ⃗∣|\vec{PQ}|∣PQ∣
42 exam-style questions on OCR A Level Maths 1.10.2 Vectors in three dimensions (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.