In triangle ABCABCABC, AB⃗=6i+2j−k\vec{AB} = 6\mathbf{i} + 2\mathbf{j} - \mathbf{k}AB=6i+2j−k, AC⃗=8i−5j+4k\vec{AC} = 8\mathbf{i} - 5\mathbf{j} + 4\mathbf{k}AC=8i−5j+4k
Find the vector BC⃗\vec{BC}BC
Find the length of the line ABABAB
42 exam-style questions on Edexcel A Level Maths 12.2 Vectors in 3D. Each one has a worked solution and a mark scheme showing where the marks go.