Given that the point A A\,A has position vector −5i+7j-5\mathbf{i} + 7\mathbf{j}−5i+7j and the point B B\,B has position vector −8i+2j-8\mathbf{i} + 2\mathbf{j}−8i+2j
Verify that the vector AB⃗=−3i−5j\vec{AB}=-3\mathbf{i}-5\mathbf{j}AB=−3i−5j
Verify that ∣AB⃗∣=34|\vec{AB}|=\sqrt{34}∣AB∣=34
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.