W = Point(xAxis)
H = (5, 5)
tx: x(W)
hx: x(H)
hy: y(H)
nn: tx^(4.0) - 4.0 * hx * tx^(3.0) + 6.0 * hx^(2.0) * tx^(2.0) - 4.0 * hx^(3.0) * tx + hx^(4.0)
a: -3.0 * hy / nn
b: (8.0 * hy * tx + 4.0 * hx * hy) / nn
c: -(6.0 * hy * tx^(2.0) + 12.0 * hx * hy * tx) / nn
d: 12.0 * hx * hy * tx^(2.0) / nn
e: (hy * tx^(4.0) - 4.0 * hx * hy * tx^(3.0)) / nn
f(x) = a * x^(4.0) + b * x^(3.0) + c * x^(2.0) + d * x + e
g = OrthogonalLine(H, yAxis)
f'(x) = f'(x)
f''(x) = f''(x)
A, B = Intersect(f'', xAxis)
h = OrthogonalLine(B, xAxis)
W_2 = Intersect(f, h)
t_W = Tangent(W_2, f(x))
C, N_2, D = Intersect(f, xAxis)
Text1: "f(x) = " + a + "x⁴ + " + b + "x³ + " + c + "x² + " + d + "x + " + e