Arithmetic Sequences - Edexcel A Level Pure Maths

Intro to arithmetic sequences Algebra arithmetic sequence If the sequence has a common difference, it is arithmetic; if it has a common ratio, it is geometric We can therefore determine whether a sequence is arithmetic sequence An arithmetic sequence is a sequence of numbers which increases or decreases by a constant amount each term

arithmetic sequence The formula used to find the terms of an arithmetic sequence is a_n=a+d The subsequent terms of an arithmetic sequence can also be found by adding the