Parábola conocido la directriz y el foco

$d$

$F$

$M$

$P$

$P'$

A = (3.08, -7.34)
B = (3.1366800912030754, 3.8007271642939746)
d = Line(A, B)
F = (8.446622461698311, -2.1963729122685396)
d_1 = OrthogonalLine(F, d)
D = Intersect(d, d_1)
e = 0.81 (slider from 0 to 1, step 0.01)
i: e / (1 - e)
k = Circle(D, i)
E = Intersect(k, d, 2)
G: E
M: G
b = OrthogonalLine(M, d)
c = LineBisector(F, M)
P = Intersect(b, c)
h = Parabola(F, d)
P' = Mirror(P, d_1)