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Złota elipsa i złota hiperbola

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Janaszak T.
Didactics of Mathematics
|
2011
|
issue 8 (12)
55-69
EN
An ellipse, parabola and hyperbola are the curve that can be obtained as the plane section of cone; there are characterizations, one of which is by means of the focus and directrix property. The golden ellipse or the golden hyperbola is the curve, which has golden eccentricity.
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