2a=\frac{1}{p}

O'=M=(0,p)

p = 2.5
a: 1 / ((2 * p))
f(x) = (a * x^(2))
f'(x) = f'(x)
f''(x) = f''(x)
F = Focus(y = (a * x^(2)))
O: (0, 0)
O' = Mirror(O, F)
c = Circle(O', O)
E: (1, 0)
g = OrthogonalLine(E, xAxis)
A = Intersect(f, g)
E' = Mirror(E, A)
h = OrthogonalLine(E', yAxis)
d = Circle(O, 1)
h' = Mirror(h, d)
B, C = Intersect(h', yAxis)
e = Circle(C, O)