r = −rF(r), 4 = 2, (B) where F(r) = (r² − 1)² - λ. (ii) Find the equilibrium points r*(X) of the dynamical system (B) and clas- sify them using linearisation. iii) (a) Sketch all equilibrium points of system (B) as functions of the pa- rameter A. Show the unstable equilibrium points with a dashed line, and the stable points with a solid line.