m\cdot m_k=\frac{b^2}{a^2}

Zusammenhang

https://www.geogebra.org/haftendorn
Haftendorn, Buch (Springer):
Kurven erkunden und verstehen
Kap 7.7.2  S. 215
www.kurven-erkunden-und-verstehen.de

Ha 2017

andere Sehnen

c: x^(2) / 4 - y^(2) = 1
P = Point(c)
P' = Point(c)
f = Line(P, P')
g = Segment(P, P')
M = Midpoint(g)
S = Point(c)
h = Line(S, g)
E, S' = Intersect(c, h)
i = Segment(S, S')
M_s = Midpoint(i)
j = Line(M, M_s)
H, H' = Intersect(c, j)
k = Tangent(H, c)
l = Tangent(H', c)
m_1: y = (1 / 2 * x)
n: y = (-1 / 2 * x)
sehnenmitten = Locus(M_s, S)
m = Slope(f)
m_k = Slope(j)
a: (m * m_k)
b = false
d = false
p = Line(S, j)
A, B = Intersect(c, p)
C = Midpoint(S, B)
Ortslinie1 = Locus(C, S)
e = false