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95% Fail !! | Ingenious Method for Computing a Difficult Limit Involving Cosine
Beautiful Solution to the Difficult Quartic Equation x^4-16x-12=0
Cool Tricks!! | Finding the Value of the Sum of Squares a^2+b^2?
What is the value of a if the 6-digit number 20210a is prime? | You should know these tricks!
Cool Tricks for Solving the Difficult Exponential Equation x^(x^2-2x+1)=2x+1
What Is the Maximum of the Quadratic Expression a^2+b^2-ab?
Beautiful Solution to a Difficult Exponential Equation with Two Variables x and y
Cool Tricks!! | Beautiful Solution to the Quintic Equation 6x^5-11x^4-11x+6=0
Cool Trick for Solving the Diophantine Equation (x+y)^2=x^3+y^3 | Integer Solution
Math Olympiad | Beautiful Solution to a Mixed System of Linear and Quintic Equations
Powerful Integration Technique - Feynman's Trick: Ideas and Examples | Gaussian Integral
What Is the Value of (60-x)^2+(x-40)^2? | Sum of Squares | Algebra
Cool Tricks! | Solving the Challenging Diophantine Equation a^2+ab+b^2=343
What Are the Coordinates of the Spiral Center?
Hi Bob,
Thank you so much for your helpful suggestion! I shall index them in the near future.
Derek Liang
Cool Tricks for Comparing the Large Exponents 2022^2022 and 2021^2023
How to Prove the Inequality 1/1^2+1/2^2+1/3^2+•••1/100^2<2?
What Is the Sum of the Alternating Series 1/1-1/2+1/3-1/4+•••?
What Is the Value of the Sum of Squares a^2+b^2?
What Is the Sum of the Infinite Series 1/1 + 1/2^2 + 1/3^3 + •••?
How to Find the Smallest Positive Integers for the Inequality 12/11<y/x<11/10?
How to Solve the Exponential Equation 3^x+9^x+27^x=14?
Cool Trick for Evaluating a Quadratic Expression (a-2000)^2
Integer solutions to the Radical Equation √m + √n = √325
Ingenious Method | Solutions to Exponential Equation 4^x+64x-192=0