I recieved this question and don't really know where to start with it, any help would be much appreciated..

"The formula 1 + r + r^2 +..r(n-1) = 1-n/1-r is true for what values of r?"

Printable View

- April 26th 2009, 09:28 AM14041471Geometric sequences?
I recieved this question and don't really know where to start with it, any help would be much appreciated..

"The formula 1 + r + r^2 +..r(n-1) = 1-n/1-r is true for what values of r?" - April 26th 2009, 09:50 AMstapel