Given that ∣ki+4j+4k∣=9|k\mathbf{i} + 4\mathbf{j} + 4\mathbf{k}| = 9∣ki+4j+4k∣=9
Find the two possible values of kkk
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.