Posted by **Candace** on Wednesday, January 9, 2008 at 6:46pm.

I cannot figure this out!

What is the series (the Pattern) of this sequence?

{1,5,1,5,1,5,1,5.......}

- Calculus, series -
**Damon**, Wednesday, January 9, 2008 at 7:10pm
That is a sequence, not a series.

A sequence is an ordered list of terms.

A series is a sum of terms, which may be terms in a sequence.

so

1,5,1,5,1,5..... is a sequence

but

1+5+1+5+1+5..... would be a series

the pattern of your sequence could be said to be alternating 1 and 5

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