Definition:Confocal Conics
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Definition
Let $F$ be a set of conic sections.
Then $F$ is a set of confocal conics if and only if they all share the same foci.
Also see
- Results about confocal conics can be found here.
Sources
- 1972: George F. Simmons: Differential Equations ... (previous) ... (next): $1$: The Nature of Differential Equations: Miscellaneous Problems for Chapter $1$: $6$
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): confocal conics
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): confocal conics