λ = 1.8 (slider from 0 to 5, step 0.1)
f(x) = x^(3) - 3 λ^(2) x + 2
a: x = 2 λ
M: (λ, f(λ))
A, B, C = Intersect(f, xAxis)
T1: "M a pour coordonnées (λ,f(λ)) soit " + M