C_f

Garder la trace de M

Effacer la trace de M

f(x) = (-x) + sqrt(x^(2) + 4)
a = -2 (slider from -100 to 100, step 0.1)
A: (a, f(a))
A': ((-a), f((-a)))
g = Tangent(A', f)
h = Tangent(A, f)
M = Intersect(g, h)