Why imaginary numbers are needed to understand the radius of convergence

Get free access to over 2500 documentaries on CuriosityStream: https://curiositystream.thld.co/zachstarsep24 (use code "zachstar" at sign up)
STEMerch Store: https://stemerch.com/

Support the Channel: https://www.patreon.com/zachstar
PayPal(one time donation): https://www.paypal.me/ZachStarYT

Join this channel to get access to perks:
https://www.youtube.com/channel/UCpCSAcbqs-sjEVfk_hMfY9w/join

2D plot software: https://www.desmos.com/calculator
3D plot software: https://runiter.com/

►Follow me
Instagram: https://www.instagram.com/zachstar/
Twitter: https://twitter.com/ImZachStar

Animations: Brainup Studios ( http://brainup.in/ )

Check out my Spanish channel here: https://www.youtube.com/channel/UCnkNu2xQBLASpj6cKC8vtpA

►My Setup:
Space Pictures: https://amzn.to/2CC4Kqj
Magnetic Floating Globe: https://amzn.to/2VgPdn0
Camera: https://amzn.to/2RivYu5
Mic: https://amzn.to/35bKiri
Tripod: https://amzn.to/2RgMTNL
Equilibrium Tube: https://amzn.to/2SowDrh

►Check out my Amazon Store: https://www.amazon.com/shop/zachstar