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Foci of a hyperbola
Forfatter
Jonathan Holland
Think of the hyperbola as semi-reflective. Suppose that a lamp is placed at the foci A and B, and an observer at point D. Then the observer will see the one focus on a straight line with the reflected image of the other.
GeoGebra
Nye Materialer
Sketching Vector Function (1)
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
အခြေခံ data အခေါ်အဝေါ်များ
Untitled
Graphical solution of ax² + bx + c = k
Opdag Ressourcer
Circle With Inscribed Quadrilateral
glissiere
Suma Minimă.
Resolvidos de plano - Boulos
New Dynamic Worksheet
Folding Nets of 3D shapes
Udforsk emner
Tangentlinje eller Tangent
Binomialfordeling
Rumfang
Konfidensinterval
Vektorer 3D (tredimensionelle)