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Dr Barker @UCU8Nm_HV-GouPa-WmujPltQ@youtube.com

25K subscribers - no pronouns :c

Fun maths videos, covering lots of topics that I find intere


05:25
Remainder Theorem Problem
07:53
When Proof By Induction Fails
12:05
Upside Down Equations
07:13
There Are More Solutions Than You Might Think | The "Pointwise Trap" for Functional Equations
09:18
An Irrational Inequality
11:49
Cubics With ± Roots
11:35
Subsequences of Arithmetic & Geometric Sequences
07:24
Functional Equation Problem: Find f(4)
19:02
Beyond ½ a b sin(C)
15:29
A Trick for Multiplication by 7
05:06
A Short Combinatorics Problem
10:08
Powers of Non-Diagonalisable Matrices
09:03
Why Is This Almost An Integer?
22:33
Intuition Behind The Cayley Hamilton Theorem
18:30
A Recurring Decimal Problem
04:55
A Short Functional Equation Problem
10:24
Integers as Sums of Fibonacci Numbers
07:45
A Nested Square Root Problem
07:20
Which is Bigger? Tetration Edition
14:21
Can A Function Be Continuous At Only One Point?
12:42
A Fibonacci Series Problem
24:42
Gaussian Integral: Infinite Series Approach
07:12
A Limit With A Cube Root
10:10
A Factorial Product Problem
07:19
A Functional Equation Problem
09:42
A Fun Exponential Equation
25:22
What Lies Above Pascal's Triangle?
19:50
An Amazing Floor & Square Root Identity
05:53
The Best Diagram for Angle Sum Identities
06:09
A Factor Tree Puzzle
07:28
Convergence of an Interesting Series
13:07
A Tricky Roots of Cubics Problem
06:47
A Satisfying Divisibility Proof
14:41
Finding the Area of a Region
15:59
More Minimising Without Calculus
09:35
Finding the Range of a Function
06:00
A Short Number Theory Proof
11:09
A Floor & Ceiling Equation
05:23
Minimising Without Calculus
11:33
Two Neat Properties of Cardioids
09:01
A Fun Twist on a Familiar Problem
06:29
My Favourite Golden Ratio Fact
18:16
The Quadratic Formula No One Taught You
06:53
Can You Solve Without Finding x & y?
05:50
A Short Number Theory Problem
10:26
Similar Triangles in the Complex Plane
14:59
Proving A Crazy GCD Identity
07:35
A Satisfying Number Theory Proof
08:47
Median of Medians Puzzle
09:53
A Unique Proof Without Induction
14:45
Solving a Matrix Equation
08:47
The Most Satisfying Proof: Product of 4 Consecutive Integers is not Square
10:23
Solving a Compound Inequality
12:48
Solve & Sketch the Region
12:44
Two Proofs of a Useful Inequality
06:22
A Quick Solution Using Complex Numbers
10:02
A Simple Sequence, with Fun Consequences
08:47
Equation of a Line in the Complex Plane
24:06
Why Your Ruler is Inefficient
19:37
Evaluating an Infinite Series