Given that k=−12k = -12k=−12
Find the value of ∣3i+kj∣|3\mathbf{i} + k\mathbf{j}|∣3i+kj∣
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.