The van der Pol equation is a model of an electronic circuit that arose back in the days o...

The van der Pol equation is a model of an electronic circuit that arose back in the days of vacuum tubes:

Given the initial conditions, y(0) = y’(0) = 1, solve this equation from t = 0 to 10 using Euler’s method with a step size of (a) 0.2 and (b) 0.1. Plot both solutions on the same graph.