f(x) = 2 x^(2) - 6 x + 1
A = Point(f)
B = Point(xAxis)
I = Midpoint(A, B)
a = Line(A, B)
D = OrthogonalLine(I, a)
K = Intersect(D, xAxis)
α = Angle(B, I, K)
β = Angle(I, K, B)