f(x) = 1 / x
teksti1: "f(x)=" + (LaTeX[f]) + ""
B = (0, 0)
A = Point(xAxis)
c = Ray(B, A)
d = Integral(f, 1, 1000000000)
g = Function(-f(x), 1, 100000)
b = Integral(g, 1, 1000000)
D = Point(g)
E = Point(f)
F = (1.066859070377621, 0.6244877674796306)
e = Ellipse(D, E, F)
G = (3.5975903585991755, 0.6908676045477369)
h = OrthogonalLine(G, xAxis)
H = Point(h)
I = Point(h)
J = (3.647375236400255, 0.17642386726991333)
k = Ellipse(H, I, J)
a: π * Integral[f(x)^(2), 1, 1000000000]
teksti2: "V=\pi\int_{1}^{∞}{ \left(  " + (LaTeX[f]) + " \right)^2 }dx=" + (LaTeX[a]) + ""