A proof that e is irrational - Numberphile

Professor Ed Copeland shows a proof by Joseph "Voldemort" Fourier that e is irrational.
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Ed Copeland is a physics professor at the University of Nottingham.
Check out more videos with him here: http://bit.ly/EdCopeland
And here for some meatier chats: http://bit.ly/CopelandGoesLong

And here's a previous video about e with James Grime: https://youtu.be/AuA2EAgAegE

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Видео A proof that e is irrational - Numberphile канала Numberphile