So it's a geometric series with and . So = ?

The solutions manual had . Am I doing this right?

Printable View

- Jul 20th 2011, 11:09 PMdeezyFind the sum of the series.

So it's a geometric series with and . So = ?

The solutions manual had . Am I doing this right? - Jul 20th 2011, 11:18 PMProve ItRe: Find the sum of the series.
What you have done looks fine. Does your solutions manual post their full solution or just the answer?

- Jul 20th 2011, 11:27 PMdeezyRe: Find the sum of the series.
There was a full solution, but I only copied down . I may have copied down the wrong answer... and I won't have a chance to check until tomorrow.

- Jul 21st 2011, 02:27 PMdeezyRe: Find the sum of the series.
Well, the solutions manual had:

.

But was not the original problem, was. So, pretty safe to say that's a typo?