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Mathematics 8 Online
OpenStudy (anonymous):

Can someone explain in simple terms, aN= a . r (N-1) T| 1|2|3|4|5 18|36|72|144|288 A100= 18 x 2 (100-1) 18 x 2'99 Is there an easier way to memorize this?

OpenStudy (anonymous):

an=a1 + (n -1) D I forgot the term names for each of these as well.

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