Triangular number

[ANT08b] Square triangular numbers

Another application of Pell's equation.

From playlist [ANT] An unorthodox introduction to algebraic number theory

PPE HP2Q4

Triangular numbers, Venn diagrams and probability.

From playlist PIXL PPE Paper 2 June 2016 Higher Tier AQA Style Worked Solutions

Odd Squares as Difference of Triangular Numbers (visual proof)

This is a short, animated visual proof demonstrating how to visualize odd squares as the difference of two triangular numbers. #mathshorts​ #mathvideo​ #math​ #numbertheory #mtbos​ #manim​ #animation​ #theorem​ #pww​ #proofwithoutwords​ #visualproof​ #proof​ #iteachmath #squares #triangula

From playlist Triangular Numbers

Polygonal Numbers - Geometric Approach & Fermat's Polygonal Number Theorem

I created this video with the YouTube Video Editor (http://www.youtube.com/editor)

From playlist ℕumber Theory

Square numbers

Powered by https://www.numerise.com/ Square numbers

From playlist Indices, powers & roots

Learn how to determine the surface area of a triangular pyramid

👉 Learn how to find the volume and the surface area of a pyramid. A pyramid is a 3-dimensional object having a polygon as its base and triangular surfaces converging at a single point called its apex. A pyramid derives its name from the shape of its base, i.e. a pyramid with a triangular b

From playlist Volume and Surface Area

#MegaFavNumbers: 258,474,216

#MegaFavNumbers: 258,474,216. See https://www.youtube.com/watch?v=R2eQVqdUQLI&list=PLar4u0v66vIodqt3KSZPsYyuULD5meoAo. Further reading: The OEIS for the sequence: https://oeis.org/A001219 Another relevant sequence: https://oeis.org/A097571 S. P. Mohanty, Which triangular numbers are prod

From playlist MegaFavNumbers

Square Roots of Complex Numbers (1 of 2: Establishing their nature)

More resources available at www.misterwootube.com

From playlist Introduction to Complex Numbers

Square Numbers | Numbers | Maths | FuseSchool

Understand and learn how to use square numbers and cube numbers!

From playlist MATHS: Numbers

Visualising irrationality with triangular squares

NEW (Christmas 2019). Two ways to support Mathologer Mathologer Patreon: https://www.patreon.com/mathologer Mathologer PayPal: paypal.me/mathologer (see the Patreon page for details) Get ready for some brand new and very pretty visual proofs of the fact that root 2, root 3, root 5 and r

From playlist Recent videos

Some Numbers are Triangles | MathBits

Can't we just replace triangles with numbers and move on with our lives? #MathBits MathBits playlist: https://www.youtube.com/playlist?list=PLztBpqftvzxXC3ow93HXIKx_yHyk5GXCE ★DONATE★ ◆ Support Wrath of Math on Patreon for early access to new videos and other exclusive benefits: https:/

From playlist MathBits

Java Recursion

Get the Code: http://goo.gl/S8GBL Welcome to my Java Recursion tutorial. In this video, I'm going to cover java recursion in 5 different ways. I figured if I show it using many different diagrams that it will make complete sense. A recursive method is just a method that calls itself. As

From playlist Java Algorithms

Linear Algebra 13e: The LU Decomposition

https://bit.ly/PavelPatreon https://lem.ma/LA - Linear Algebra on Lemma http://bit.ly/ITCYTNew - Dr. Grinfeld's Tensor Calculus textbook https://lem.ma/prep - Complete SAT Math Prep

From playlist Part 1 Linear Algebra: An In-Depth Introduction with a Focus on Applications

I got this one wrong! How many gifts are there in the 12 Days of Christmas?

Students like to pose little logic puzzles or math problems to me, and I like to oblige as quickly and cleverly as I can. Unfortunately, in this case, I went to fast, and a student got me. Subscribe: https://bit.ly/polymathematic | Enable ALL push notifications 🔔 She asked me how manu to

From playlist Math Mini

Mod-01 Lec-24 Tutorial 3

Elementary Numerical Analysis by Prof. Rekha P. Kulkarni,Department of Mathematics,IIT Bombay.For more details on NPTEL visit http://nptel.ac.in

From playlist NPTEL: Elementary Numerical Analysis | CosmoLearning Mathematics

Products of Odd Squares and Triangular Numbers (visual proof - updated version)

This is a short, animated visual proof demonstrating that the product of an odd square and a triangular number is the difference of two triangular numbers. #mathshorts​ #mathvideo​ #math​ #squares #mtbos​ #manim​ #animation​ #theorem​ #pww​ #proofwithoutwords​ #visualproof​ #proof​ #iteach

From playlist Algebra

Mod-01 Lec-18 L U decomposition

Elementary Numerical Analysis by Prof. Rekha P. Kulkarni,Department of Mathematics,IIT Bombay.For more details on NPTEL visit http://nptel.ac.in

From playlist NPTEL: Elementary Numerical Analysis | CosmoLearning Mathematics

A Triangular Number Identity I (visual proof)

This is a short, animated (wordless) visual proof demonstrating an identity satisfied by the triangular numbers T(n) = 1+2+3+..._n. #mathshorts​ #mathvideo​ #math​ #calculus #mtbos​ #manim​ #animation​ #theorem​ #pww​ #proofwithoutwords​ #visualproof​ #proof​ #iteachmath #finitesums #discr

From playlist Number Theory

Types Of Numbers | Numbers | Maths | FuseSchool

We all know what numbers are 1, 2, 3, 4, 5, …. Including negative numbers -1, -2, -3, -4, -5, ... But did you know that mathematicians classify numbers into different types… into a number system. Let’s start at the top with real numbers. They can be positive… negative… zero… decimals, frac

From playlist MATHS: Numbers