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Focus and directrix of a parabola

Author:István Makai

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רישום חופשי
Reflection = 180° Rotation about a Line
Untitled
Prism Drawn in 1-Point Perspective
Locus Related to Descartes' Folium

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Eye_Camera_Light
Arcs & Angles #2
Maxima and Minima
triangle
Explore: Perpendicular Transversal Intersects Parallel Lines

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Quadratic Equations
Geometric Mean
Constructions
Kite
Indefinite Integral

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