 ##  [Arithmetic Progression](/arithmetic-progression) 

  ##  [Arithmetic Progression](https://puremath.quantumdictionary.io/arithmetic-progression-0) 

  

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- Mathematics &amp; Logic -

**Pure Mathematics Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A sequence of numbers (a_n) of the form a, a + d, a + 2d, … where a is a fixed initial term and d is a fixed common difference; equivalently a_n = a + (n-1)d for n≥1.