Spur löschen

Spur ein/aus

a = -2 (slider from -2 to 2, step 0.2)
f(x) = (1 / 3 * x^(3)) - ((a * x) * (x + 1))
g(x, k) = (1 / 3 * x^(3)) - ((k * x) * (x + 1))
A, B = Extremum(f)
C = TurningPoint(f)
spur = true
Text1: "f_{" + a + "}"