Posted by Chrissey on Tuesday, September 25, 2012 at 10:16am.
The sum of the first n terms of a series in n^3. Write down the first four terms and the nth term of the series.

Maths  Gemometric Progression  Steve, Tuesday, September 25, 2012 at 11:29am
The terminology is wrong. A series is the partial sums of a sequence.
the sequence would be
1,7,19,37,61, ...
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