Math

# Legendary test question – π is less than 22/7

Happy #PiDay! When two of the hardest tests in the world cover the same problem, you know it’s a big deal.

References
Wikipedia article
https://en.wikipedia.org/wiki/Proof_that_22/7_exceeds_%CF%80
Putnam exam 1968 A1
https://prase.cz/kalva/putnam/putn68.html
JEE Advanced 2010 Paper Solutions Part-1 | IIT-JEE | Strategy, Tips, & Tricks | Paper Discussion (see around 55:30)
https://youtu.be/Zz4buu5y7_8?t=3330
Proving 22/7 is greater than PI using Definite Integrals.

Why is pi less than 22/7? – Week 14 – Lecture 9 – Mooculus

Send me suggestions by email (address in video). I cannot reply to everyone but I consider all ideas!

Like many YouTubers I use popular software to prepare my videos. You can search for animation software tutorials on YouTube to learn how to make videos. Be prepared–animation is time consuming and software can be expensive!

Why are there comments before the video is published? Get early access and support the channel on Patreon
https://www.patreon.com/mindyourdecisions

If you buy from the links below I may receive a commission for sales. (As an Amazon Associate I earn from qualifying purchases.) This has no effect on the price for you.

Show your support! Get a mug, a t-shirt, and more at Teespring, the official site for Mind Your Decisions merchandise:
https://teespring.com/stores/mind-your-decisions

https://mindyourdecisions.com/blog/my-books/#worldwide

Mind Your Decisions: Five Book Compilation
https://amzn.to/2pbJ4wR
A collection of 5 books:
“The Joy of Game Theory” rated 4.2/5 stars on 150 reviews
http://amzn.to/1uQvA20
“The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias” rated 3.8/5 stars on 12 reviews
http://amzn.to/1o3FaAg
“40 Paradoxes in Logic, Probability, and Game Theory” rated 4/5 stars on 23 reviews
http://amzn.to/1LOCI4U
“The Best Mental Math Tricks” rated 4.4/5 stars on 40 reviews
“Multiply Numbers By Drawing Lines” rated 4.5/5 stars on 19 reviews
http://amzn.to/XRm7M4

Mind Your Puzzles: Collection Of Volumes 1 To 3
https://amzn.to/2mMdrJr
A collection of 3 books:
“Math Puzzles Volume 1” rated 4.5/5 stars on 45 reviews
http://amzn.to/1GhUUSH
“Math Puzzles Volume 2” rated 4.5/5 stars on 14 reviews
http://amzn.to/1NKbyCs
“Math Puzzles Volume 3” rated 4.6/5 stars on 12 reviews
http://amzn.to/1NKbGlp

Connect with me
My Blog: https://mindyourdecisions.com/blog/