Have you ever wondered why complex numbers are so effective? It's because of geometry!
00:00 Intro
02:06 How can numbers have "phase"?
05:19 Deriving the complex numbers
13:02 What about Euler's Formula?
14:18 Application: Fourier series
16:09 Closing remarks
This is a submission for 3Blue1Brown's 2nd Summer of Math Exposition contest (#SoME2).
Негізгі бет The Real Reason Complex Numbers are Useful!
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