Hostname: page-component-848d4c4894-hfldf Total loading time: 0 Render date: 2024-05-01T07:00:48.950Z Has data issue: false hasContentIssue false

On a surface of the third order

Published online by Cambridge University Press:  20 January 2009

Rights & Permissions [Opens in a new window]

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

In the second part of Professor Chrystal's Algebra (Exer. V., No. 4) the following exercise is given:-

If 2xyz-x2-y2-z2+1=0, and x,y,z are all real, then all, or none, of the quantities x,y,z lie between-1 and + 1.

Type
Research Article
Copyright
Copyright © Edinburgh Mathematical Society 1891