Answer Happy

4. Classify (if possible) each critical point of the given second-order differential equation as a stable node, an unstable node, a stable spiral point, an unstable spiral point or a saddle point. X 1 + x² [ 13 (*) ³ − ×] + x = 0₁ (x)³ - x + x = 0, where & ER. (a) X + 4- (b) x + ε + 2x = 0