It's a telescoping series. Express in partial fraction form.
(You should have learned something from your thread here and compared it to the first question you asked: http://www.mathhelpforum.com/math-he...um-series.html)
It's a telescoping series. Express in partial fraction form.
(You should have learned something from your thread here and compared it to the first question you asked: http://www.mathhelpforum.com/math-he...um-series.html)