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Topic: Inverse of a conic with regard to the centre is an oval of Cassini
Replies: 6   Last Post: Jul 28, 2011 7:33 AM

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Vivian DeRoth

Posts: 5
Registered: 7/27/11
Re: Inverse of a conic with regard to the centre is an oval of Cassini
Posted: Jul 28, 2011 7:33 AM
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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 online-version (half-way down the webpage) of the above 1886-published 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



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