Hostname: page-component-586b7cd67f-dsjbd Total loading time: 0 Render date: 2024-11-28T11:13:52.160Z Has data issue: false hasContentIssue false

Power versus exponential

Published online by Cambridge University Press:  01 August 2016

P. Shiu*
Affiliation:
Department of Mathematics, Loughborough University of Technology, Leicestershire, LE11 3TU

Extract

Let k be a positive integer and a > 1. It is well known that

.

The shortest proof seems to be the following. By estimating the exponential function with only one term from its series we see at once that

.

Type
Research Article
Copyright
Copyright © The Mathematical Association 1989

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Goodstein, R.L., A note on convergence, Math. Gaz. 38, 140141 (1954).Google Scholar
2. Watson, G.N., A note on convergence, Math. Gaz. 39, 297299 (1955).Google Scholar