c

C_{1} = (1.733107083697133, 2.775542989930213)
F' = (2.727102301936368, 1.3227807478882534)
F = (-1.9393184197081945, 0.3205221763359071)
ff = Line(F, F')
c = Ellipse(F, F', C_{1})
T = Point(c)
P = (0.04433115035976717, -0.7389270258594808)
t = Tangent(T, c)
H = Midpoint(P, Mirror[P, t])
A_{1} = (-1.341539064248972, 3.6874310623720663)
f = Line(P, H)
O = Center(c)
g = Line(T, O)
M = Intersect(f, g)
lieu1 = Locus(M, T)
T' = Mirror(T, ff)
h = Line(T', O)
i = Tangent(T', c)
j = OrthogonalLine(P, i)
M' = Intersect(j, h)
Ω = Midpoint(M', M)
k = Segment(M', M)