Given that the point A A\,A has position vector −4i+8j-4\mathbf{i} + 8\mathbf{j}−4i+8j and the point B B\,B has position vector −10i+3j-10\mathbf{i} + 3\mathbf{j}−10i+3j
Find ∣AB⃗∣|\vec{AB}|∣AB∣, giving your answer in exact form.
284 exam-style questions on Edexcel A Level Maths Vectors, covering 11.1 Vectors, 11.2 Representing Vectors, 11.3 Magnitude and Direction, 11.4 Position Vectors, 11.5 Solving Geometric Problems, and 11.6 Modelling with Vectors. Each one has a worked solution and a mark scheme showing where the marks go.