a(ε)

1+ε

1-ε

1

1/\varepsilon

a

p(x) = sqrt(1 / (x - 1)) - 1
ε = 0.3 (slider from 0 to 0.5, step 0.1)
f(x) = 1 / (x + 1)^(2) + 1
C = Point({0, 1 + ε})
B = Point({0, 1 - ε})
b = OrthogonalLine(C, yAxis)
c = OrthogonalLine(B, yAxis)
F = Point(xAxis)
h = Segment(C, B)
A = Intersect(f, b, (1.6407742548483863E8, 1))
d = OrthogonalLine(A, xAxis)
D = Point({p(1 + ε), 0})
e = Segment(A, D)
E = Point(xAxis)
g = Ray(D, E)