Arithmetic and Geometric Series

Author:
pirsquared

Arithmetic Sequences and Series - Key Facts

  • An arithmetic sequence is one which begins with a first term () and where each term is separated by a common difference () - eg. 
  • A series is the sum of the terms of a sequence  - eg. .
  • The nth term of an arithmetic sequence is given by  The total of the first n terms of an arithmetic series is given by 

Arithmetic Sequences - Test Yourself

Geometric Sequences and Series - Key Facts

  • An geometric sequence is one which begins with a first term () and where each term is separated by a common ratio () - eg. 
  • The nth term of an geometric sequence is given by  The total of the first n terms of an geometric series is given by  The sum to infinity of a convergent geometric series is given by 

Geometric Sequences - Test Yourself