a

b

https://www.geogebra.org/haftendorn
Haftendorn, Buch (Springer):
Kurven erkunden und verstehen
Kap 7.2.1: S.184
www.kurven-erkunden-und-verstehen.de

Ha 2016

A'_2 = (4, -3)
A'_1 = (-4, -3)
f = Segment(A'_1, A'_2)
Q = Point(f)
g = Segment(A'_1, Q)
b: 2
a: 4
c: x^(2) / a^(2) + y^(2) / b^(2) = 1
F_1, F_2 = Focus(c)
e_1: 3
h = Segment(Q, A'_2)
p = Circle(F_2, h)
d = Circle(F_1, g)
P, P' = Intersect(d, p)
r = Segment(F_1, P)
r' = Segment(P, F_2)
A_1: ((-a), 0)
A_2: (a, 0)
i = Segment(A_1, A_2)
B_1: (0, b)
B_2: (0, (-b))
l = Segment(B_1, B_2)
O: (0, 0)
j = Segment(O, A_2)
k = Segment(B_1, O)
e = Segment(F_1, O)
m = false