Example:

Proof.

Remark:

Note that it is important to get the ratio of sucessive terms to be below a fixed number less than 1 (in this case 0/9). Simply getting the ratio below 1 is not enough.

Example:

Proof.

Example:

Proof.

Analysis WebNotes by John Lindsay Orr.
Comments to the author: jorr@math.unl.edu

All contents copyright (C) 1996 John L. Orr
University of Nebraska--Lincoln
All rights reserved

Last modified: May 1996