Find the magnitude of the vector 3i−4j+12k3\mathbf{i} - 4\mathbf{j} + 12\mathbf{k}3i−4j+12k.
Circle your answer.
111111
131313
191919
169169169
168 exam-style questions on AQA A Level Maths 1.13 J: Vectors, covering 1.13.1 Vectors in two and three dimensions, 1.13.2 Magnitude and direction of a vector, 1.13.3 Vector arithmetic, 1.13.4 Position vectors, and 1.13.5 Vectors to solve problems. Each one has a worked solution and a mark scheme showing where the marks go.