Lesson 9.1 - Second Order Differential Equations

[@goldenglow2875]

This is so nice and clear, thanks Prof, you're a Lifesaver.

[@goldenglow2875]

Going on that swing was a small but very good move.

[@yakirnisim9278]

Great video!

[@innosolo]

Great!

[@another-learner8677]

is there a 9.2? I see 9.3 out there.

[@sadiq114]

Prof. your way of teaching is the best. You teach in a systematic way. I have learned a lot form your videos. May I do email contact with you?

[@kyleanderson9713]

bro you have saved me, my lecturer is dreadful