(x2 + y2)(y2 + x(x + a)) = 4axy2
r = a cosθ (4sin2θ - 1)
Click below to see one of the Associated curves.
|Definitions of the Associated curves||Evolute|
|Involute 1||Involute 2|
|Inverse curve wrt origin||Inverse wrt another circle|
|Pedal curve wrt origin||Pedal wrt another point|
|Negative pedal curve wrt origin||Negative pedal wrt another point|
|Caustic wrt horizontal rays||Caustic curve wrt another point|
There are three special forms of the folium, the simple folium, the double folium and the trifolium. These correspond to the cases
The graph plotted above is the trifolium. There are separate entries for the simple folium and the double folium.
|Main index||Famous curves index|
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