
Re: Inverse of a conic with regard to the centre is an oval of Cassini
Posted:
Jul 28, 2011 7:33 AM


DIFFERENTIAL CALCULUS WITH APPLICATIONS AND NUMEROUS EXAMPLES: AN ELEMENTARY TREATISE BY JOSEPH EDWAEDS, M.A., FORMERLY FELLOW OF SIDNEY SUSSEX COLLEGE, CAMBRIDGE.
It is indeed hard to read the equation, but the copy/paste is true to the onlineversion (halfway down the webpage) of the above 1886published book at: http://www.archive.org/stream/differentialcalc00edwauoft/differentialcalc00edwauoft_djvu.txt
Notation aside does anyone know if there is any such correlation between conics and cassinians? Would the fact that the conic is a quadratic and the cassinian a quartic not make the assertion in Edwaeds' book unlikely?
thank you all for replies
Viv

