Sequences and term notation
Sequences and term notation

A sequence is an ordered list of separate numbers called terms. The notation xnx_nxn means the term in position nnn, so x1x_1x1 is the first term and x10x_{10}x10 is the tenth term.
Step-by-step lessons covering AQA A Level Maths 1.7.2 Types of sequence (A-level only) for A Level Maths. Each lesson works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Build fluency with the core pure algebra and calculus toolkit early, since almost every mechanics and statistics topic on the course depends on it.