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ERIC Number: EJ779104
Record Type: Journal
Publication Date: 2007
Pages: 2
Abstractor: ERIC
Reference Count: 0
ISSN: ISSN-0819-4564
A Simple Geometric Construction of e
Valahas, Theodoros M.; Boukas, Andreas
Australian Senior Mathematics Journal, v21 n2 p29-30 2007
In this article, the authors consider the exponential curves y = ba[superscript x] where a, b [is a member of] R, a [greater than] 0, a [not equal to] 1, and b [not equal to] 1. The authors show that by fixing one of a or b the points (x[subscript 0],y[subscript 0) of tangency of y = ba[superscript x] and the line passing through the origin lie on a straight line. The y-ordinates of these points are equal to be. (Contains 3 figures.)
Australian Association of Mathematics Teachers (AAMT). GPO Box 1729, Adelaide, 5001, South Australia. Tel: +61-8-8363-0288; Fax: +61-8-8362-9288; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A