https://www.geogebra.org/haftendorn
Haftendorn, Buch (Springer):
Kurven erkunden und verstehen
Kap 7.7.2: Aufgabe 7.8 a) S.217
www.kurven-erkunden-und-verstehen.de

Ha 2016

q: 2
f: x = (-q)
Q = Point(f)
A = (0, 0)
g = OrthogonalLine(Q, f)
h = Segment(Q, A)
i = OrthogonalLine(A, h)
P = Intersect(i, g)
Ortslinie1 = Locus(P, Q)
C = Point(f)
D = Point(g)
α = Angle(D, Q, C)
β = Angle(Q, A, P)
a = false
c: y^(2) = (q * x)