... arithmetic sequences¹

Rememeber: a sequence $\langle a_1,a_2,a_3,\ldots a_n,\ldots\rangle$ of real numbers is called an arithmetic sequence if there exists a constant d such that a_n-a_n-1=d for every n>1.

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  Last modified:   Fri Sep 22 13:40:09 CDT 2000