Q58: Consider the following nonlinear system:<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1042/.jpg" alt="Consider
Q59: Consider the following nonlinear system:<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1042/.jpg"
Q60: Consider the following nonlinear system:<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1042/.jpg"
Q61: Consider the linear system <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1042/.jpg" alt="Consider
Q62: Which of the following is a critical
Q64: Consider the following nonlinear system:<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1042/.jpg"
Q65: Consider the following nonlinear system:<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1042/.jpg" alt="Consider
Q66: Consider the van der Pol equation <img
Q67: The trajectories of some nonzero solutions
Q68: Consider the linear system <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBW1042/.jpg" alt="Consider