ODE | What is a differential equation?

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Examples and explanations for a course in ordinary differential equations.

In this video we give a definition of a differential equation and three examples of ordinary differential equations along with their solutions.
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Found you on my first time on /r/math. Unlike most people, you speak very fluently and clearly. As well, your writing is impeccable. I will DEFINITELY watch this series!

GiraffeAirplane
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For the third one,
y(dy/dx) + x = 0
dy/dx = -x/y
ydy = -xdx
y^2 = -x^2 + c
y^2 + x^2 = c

queijocas
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You are going to save me in this class! My teacher is god awful and scatter brained

johntracy
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Excellent group of videos. I have been looking for some higher and advanced math refresher courses, and I think your videos fulfill this need. They are very clearly explained, and your partial differential equations series is outstanding. I can not wait as you tackle even higher concepts that have not yet been addressed in a clear and concise delivery form, by other you tube channels.

TheMarcopoloscurse
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Well done. It probably doesn't work as a complete course (and I reckon that this was not what you intended to do), but it's a perfect conceptual refresher. Thanks!

MrAndreaCaso
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i would suggest that u give the solution of the qustions too...cause it might help alot

sawakokuronuma
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Very good job professor, you deserve respect and love for your generousity, courses for free ? persons like you are rare very rare in this greedy world. thank you very much, may GOD Almighty ALLAH guide you for the best of life and afterlife.

omarmillion
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in which software you made thid toturial?? i need this software for freely writing anything..plz i m waiting your answer

mmusamirza
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you are so awesome my brain cannot compute. I love reddit because of this.

TKaye
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1 minute into the video and my dumb brain is already confused. dy/dx itself is rate of change(derivative) so why are you calling it a function y(x). I mean you get dy/dx by differentiating y(x)....isnt'it?

_Sam_-zhsw
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th bro
Jesus loves you
Believe in him and repent !

balaportejean