Atriphtaloid

An atriphtaloid with a = 3 and b = 2

An atriphtaloid, also called an atriphtothlassic curve, is type of sextic plane curve. It is given by the equation

x^{4}(x^{2}+y^{2})-(ax^{2}-b)^{2}=0,\,

where a and b are positive numbers.

References

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