The difference between each number in an arithmetic sequence.

Example: the sequence {1, 4, 7, 10, 13, ...} is made by adding 3 each time, and so has a "common difference" of 3 (there is a difference of 3 between each number)

The difference between each number in an arithmetic sequence.

Example: the sequence {1, 4, 7, 10, 13, ...} is made by adding 3 each time, and so has a "common difference" of 3 (there is a difference of 3 between each number)

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