|z|²

A = Intersect(xAxis, yAxis)
Z = (1.7733333333333334, 1.26)
u = Vector(A, Z)
C = Point(xAxis)
D = Point(xAxis)
a = Line(C, D)
b = OrthogonalLine(Z, a)
E = Intersect(a, b)
c = Circle(E, Z)
Zconj = Intersect(c, b, 2.0)
v = Vector(A, Zconj)
G = Point(u)
d = Circle(A, G)
H = Point(v)
e = Circle(A, H)
I = Point(d)
J = Intersect(d, a, 2.0)
β = CircumcircleArc(G, I, J)
K = Point(e)
L = Intersect(e, a, 2.0)
α = CircumcircleArc(H, K, L)
distânciaAB = Distance(A, Z)
M = (0, 0)
N = Point(Circle[M, distânciaAB^(2.0)])
z = Segment(M, N)
f(x) = x^(2.0)