Use the Poincare-Bendixson theorem to show that the secondorder nonlinear differential
Chapter 11, Problem 18(choose chapter or problem)
Use the Poincare-Bendixson theorem to show that the secondorder nonlinear differential equation x' = x'[l -3i2 - 2(x')2] - x has at least one periodic solution. [Hint: Find an invariantannular region for the corresponding plane autonomoussystem.]
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer