# Chapter 11 - Section 11.2 - Arithmetic Sequences - Exercise Set - Page 841: 73

See the definition below.

#### Work Step by Step

A common difference $d$ for an arithmetic sequence can be defined as a term which can be obtained bys subtacting proceeding term from the previous term. For example: $1,3,5,7....$ with common difference of $d=3-1,5-3,7-5=2$.

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