What did π say to i? | Maths Jokes Explained 1
In this video, I (over-)explain the mathematical joke that goes:
What did π say to i? Get real. What did i say to π? Be
rational. This involves brief explanations of π, i, sets, the rationals, the reals and the complex numbers. I also explain why i is a hypocrite in this joke.
Unit circle in the complex plain diagram:
Loadmaster (David R. Tribble), CC BY-SA 3.0 (https://creativecommons.org/licenses/..., via Wikimedia Commons (https://commons.wikimedia.org/wiki/Fi...)