![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Observe the graph.
\The terms of the sequence appear to alternate signs and their absolute values seem to increase without bound.
\The terms of the sequence do not approach to a unique number.
\Therefore, the sequence is divergent.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The sequence is divergent.