In triangle LMNLMNLMN, LM⃗=i−2j+5k\vec{LM} = \mathbf{i} - 2\mathbf{j} + 5\mathbf{k}LM=i−2j+5k, LN⃗=4i+3j−2k\vec{LN} = 4\mathbf{i} + 3\mathbf{j} - 2\mathbf{k}LN=4i+3j−2k
Find the vector MN⃗\vec{MN}MN
Find the length of the line LMLMLM
Practise Edexcel A Level Maths Vectors with exam-style questions for A Level Maths. 100 questions covering 12.1 3D Coordinates, 12.2 Vectors in 3D, 12.3 Solving Geometric Problems, and 12.4 Application to Mechanics, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.