Arithmetic sequences
Topic Notes
An arithmetic sequence (arithmetic progression) is a number sequence with a common difference between successive terms. By using the arithmetic sequence formula, we can easily find the value of a term and the common difference in the sequence.
• arithmetic sequence: a sequence with a common difference between successive terms
• The nth term, ,of an arithmetic sequence:
where, : nth term
: first term
: common difference
• The nth term, ,of an arithmetic sequence:
where, : nth term
: first term
: common difference