a: 2
b: 1
c: x^(2) / a^(2) + y^(2) / b^(2) = 1
Q = Point(c)
A: (2, 1.5)
d = Tangent(Q, c)
e = OrthogonalLine(A, d)
P = Intersect(d, e)
Ortslinie1 = Locus(P, Q)