It contains, among other things, sections on similarity, transversals, vector geometry, inversion, and coaxal circles. As examples of the author's choice of elegant methods, and his clearness of ...

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 ...

Vectors - Edexcel A vector quantity has both size and direction. Vectors can be added, subtracted and multiplied by a scalar. Geometrical problems can be solved using vectors.