Posted by Rachel on Monday, May 7, 2012 at 12:51pm.
Write the series with summation notation
3+9+19+33+51+73
I'm not sure what the equation would be. Would this situation have two equations and if so how would that look like in summation notation

Algebra 2  Steve, Monday, May 7, 2012 at 1:10pm
Sn = ∑[i=1..n]2i^2 + 1