Saturday
May 23, 2015

Homework Help: calc.

Posted by kelly on Tuesday, April 17, 2007 at 11:19pm.

find the sum of the series of (-2)^n/3^n+1.

This is an alternating series...
what if we rewrite it as

an= (1/3)* (-2/3)^(n)


Divide any nth term by the n-1 term and see if you get a ratio term r. This might be a geometric series.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Members