Given that the point A A\,A has position vector i+5j−3k\mathbf{i} + 5\mathbf{j} - 3\mathbf{k}i+5j−3k and the point B B\,B has position vector −5i+7j+4k-5\mathbf{i} + 7\mathbf{j} + 4\mathbf{k}−5i+7j+4k
Find ∣AB⃗∣|\vec{AB}|∣AB∣
309 exam-style questions on Edexcel A Level Maths Vectors, covering 12.1 3D Coordinates, 12.2 Vectors in 3D, 12.3 Solving Geometric Problems, and 12.4 Application to Mechanics. Each one has a worked solution and a mark scheme showing where the marks go.