Features quality math problems to strengthen your math fundamentals and problem-solving ability.

Problems are generally on high school level (with some deviations), spanning over topics such as algebra, discrete mathematics, calculus, geometry, statistics, trigonometry, etc.

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System of Equations Where x+y+z, x^2+y^2+z^2, and x^3+y^3+z^3 Are Given
3:45
System of Equations Where x+y+z, x^2+y^2+z^2, and x^3+y^3+z^3 Are Given
The Most Beautiful Way to Find This Limit? | Limit of (lnx)(ln(1+x)) as x→0
3:15
The Most Beautiful Way to Find This Limit? | Limit of (lnx)(ln(1+x)) as x→0
A Very Short Area & Integration Video
2:13
A Very Short Area & Integration Video
Show That 9999 Cannot Be Expressed as the Sum of Three Squares
4:28
Show That 9999 Cannot Be Expressed as the Sum of Three Squares
Finding the Limit of n^(1/n) WITHOUT L’Hôpital’s Rule, but with the INEQUALITY
5:33
Finding the Limit of n^(1/n) WITHOUT L’Hôpital’s Rule, but with the INEQUALITY
Can You Find The Formula? | Rationalise the Denominator
5:33
Can You Find The Formula? | Rationalise the Denominator
Yet Another Integral Problem (Can't Think of a Good Title)
6:21
Yet Another Integral Problem (Can't Think of a Good Title)
A BEAUTIFUL Limit Containing Exponential and Logarithmic Functions (2 Methods)
7:51
A BEAUTIFUL Limit Containing Exponential and Logarithmic Functions (2 Methods)
Conveying an Easy Concept in a Difficult Way, Huh? [Korean CSAT 2013]
10:40
Conveying an Easy Concept in a Difficult Way, Huh? [Korean CSAT 2013]
Finding the GENERAL SOLUTION Like a BOSS | Trigonometric Equation
6:41
Finding the GENERAL SOLUTION Like a BOSS | Trigonometric Equation
The Domain of the Logarithmic Function
4:09
The Domain of the Logarithmic Function
4 METHODS for a Factorization Problem!
15:15
4 METHODS for a Factorization Problem!
The Limit of a SEQUENCE OF FUNCTIONS
3:59
The Limit of a SEQUENCE OF FUNCTIONS
Integration: Equal Area Problems (Trigonometric Functions)
6:41
Integration: Equal Area Problems (Trigonometric Functions)
Solving a Geometry Problem with 2 METHODS | Circle and Equilateral Triangle
11:57
Solving a Geometry Problem with 2 METHODS | Circle and Equilateral Triangle
BE CAREFUL When Dealing With the PARTIAL SUM of the Geometric Progression
7:40
BE CAREFUL When Dealing With the PARTIAL SUM of the Geometric Progression
Occasional Integral Practice Problems
4:44
Occasional Integral Practice Problems
This Complex Plane Problem Can Be Solved WITHOUT Even Lifting a PEN [Korean CSAT 2001]
7:46
This Complex Plane Problem Can Be Solved WITHOUT Even Lifting a PEN [Korean CSAT 2001]
You Can TOTALLY Draw This Graph & Find Its Area
16:14
You Can TOTALLY Draw This Graph & Find Its Area
Comparing Two Radical Expressions in 2 WAYS
6:22
Comparing Two Radical Expressions in 2 WAYS
This Is True for ALL Polynomial Equations
6:57
This Is True for ALL Polynomial Equations
Three Sigmas: Two For Finite Sums, One For Infinite Series
5:34
Three Sigmas: Two For Finite Sums, One For Infinite Series
So Many Hyperbolic Functions, No Problem At All | INTEGRATION
6:30
So Many Hyperbolic Functions, No Problem At All | INTEGRATION
Solving 1/x + 1/y = 5, ln(x) + ln(y) = 2 (2 METHODS)
5:26
Solving 1/x + 1/y = 5, ln(x) + ln(y) = 2 (2 METHODS)
A Geometry Problem which is Really a Number Theory Problem
4:17
A Geometry Problem which is Really a Number Theory Problem
Don’t List All Cases. Find the RELATION.
5:57
Don’t List All Cases. Find the RELATION.
Integral of ln(x^4+1) is Highly Educational
17:50
Integral of ln(x^4+1) is Highly Educational
“Which of the Following Is/Are Correct?” Calculus Problem from [Korean CSAT 2010]
8:53
“Which of the Following Is/Are Correct?” Calculus Problem from [Korean CSAT 2010]
Do We Really Need a CUBE in the Denominator? | LIMITS
7:05
Do We Really Need a CUBE in the Denominator? | LIMITS
400th Video - Finding x^400 + y^400, But Using Only One Method is BORING, Right?
16:03
400th Video - Finding x^400 + y^400, But Using Only One Method is BORING, Right?