In this video I use diagonalization to find an explicit formula for the Fibonacci sequence. Enjoy!

derivative of ln(1+1/x), two ways, calculus 1 derivative example, how to take the derivative, logarithmic derivative, blackpenredpen, math for fun, https://t...

The number N = 69,720,375,229,712,477,164,533,808,935,312,303,556,800 is special - it is the smallest number that has all numbers 1 to 100 as factors. The p...

More derivative examples:
derivative of x^x, two ways: https://youtu.be/l-iLg07zavc
100 derivatives: https://youtu.be/AegzQ_dip8k

shop math t-shirts and hoodies: https://teespring.com/stores/blackpenredpen

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We will compare log_2(3) vs log_3(5) to see which logarithm has a larger value. Of course, we will not be using a calculator. This is actually a coffin question. Special thanks to Zonnymaka for the recommendation. See more coffin math questions here: htt…

Programa de Iniciação Científica: Introdução à Álgebra Linear - Aula 03 Professor: Jorge Passamani Zubelli http://lamca.impa.br/linear_algebra_2018 Aulas ant...

Make sure you first see the main video at: https://youtu.be/G1m7goLCJDY
More links in full denoscription below... Please look ↓↓↓

Featuring Matt Parker and Charlie Turner

Things to Make and Do in the Fourth Dimension by Matt Parker:
http://amzn.to/2mksdD5…

Matt Parker discusses a problem involving Square Sums. Go deeper with extra footage: https://youtu.be/7_ph5djCCnM
More links & stuff in full denoscription below ↓↓↓

More Matt Parker on Numberphile: http://bit.ly/Matt_Videos
Matt's projects and other stuff:…

Check out Dodecaplex on Maths Gear!
https://mathsgear.co.uk/products/dodecaplex-puzzle

Dodecaplex is based on the mathematics of Saul Schleimer and Henry Segerman.

Henry Segerman http://www.segerman.org/
Saul Schleimer http://homepages.warwick.ac.uk/~masgar/…

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Symmetric keys are essential to encrypting messages. How can two people share the same key without someone else getting a hold of it?…