Fri June 17, 2011 By:

what iscommon difference

Expert Reply
Fri June 17, 2011
The positive or negative constant added to each term in an arithmetic progression.
Example: the series {3, 5, 7, 9, 11, ...} is made by adding 2 each time, and so has a "common difference" of 2 (there is a difference of 2 between each number)
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