(DiffEQ, Fall 23) Exam 1 review - First and second order ODEs

Course site: http://calc4.org Instructor: Steve Butler (http://stevebutler.org) 0:00:00 Intro 0:01:09 1 -- Separable ODE 0:09:07 2 -- Linear first order ODE (integrating factor) 0:18:40 3 -- Exact ODE 0:28:40 4 -- Homogeneous ODE (z=y/x) 0:41:14 5 -- Mixing problem (tank of brine) 0:56:36 6 -- Verifying ODE / Wronskian 1:05:27 7 -- Find/classify critical points (autonomous) 1:12:45 8 -- Logistic model 1:21:51 9 -- Constant coeff; ODE to general form 1:30:48 10 -- Spring-mass system 1:39:44 11 -- Nonhomogeneous (undetermined coeffs.) 1:55:55 12 -- Nonhomogeneous (variation of parameters)