Equation de la droite $(AM)$

f(x) = x^(2)
A = Point(f)
h = -0.005 (slider from -5.005 to 5, step 0.01)
M: (x(A) + h, f(x(A) + h))
T(h) = (y(M) - y(A)) / (x(M) - x(A))
g: y = (T(h) * (x - x(A))) + y(A)
xx: T(h)
texte1: "T(h) = " + (LaTeX[xx]) + ""
texte2: "" + (LaTeX[g]) + ""
texte4: "h=" + (LaTeX[h]) + ""