Given that the point A A\,A has position vector 1i−7j1\mathbf{i} - 7\mathbf{j}1i−7j and the point B B\,B has position vector −7i+2j-7\mathbf{i} + 2\mathbf{j}−7i+2j
Find the vector AB⃗\vec{AB}AB
Find ∣AB⃗∣|\vec{AB}|∣AB∣
Give your answer as a surd.
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.