A vector can be represented by a line segment labelled with an arrow. A vector between two points A and B is described as: \(\overrightarrow{AB}\), \(\mathbf{a}\) or \(\underline{a}\). The vector can ...

Exam boards have been criticised by a watchdog for oversights on GCSE and A-level papers where pupils were tested on topics they were told would not come up or sat papers with mistakes. In England ...