T419

a = 0 (slider from -5 to 5)
f(x) = (2 * x^(3)) - ((3 * a) * x^(2)) + ((6 * a^(2)) * x) - 3
f'(x) = f'(x)
A = Intersect(f', xAxis)
teksti2 = LaTeX(f, true, true)
teksti3 = LaTeX(f', true, true)