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## LetsSolveMathProblems

Joined Aug 31, 2014

Hello! Welcome to LetsSolveMathProblems, where we will dive into and explore the intricate, breathtaking realm of mathematics.

LetsSolveMathProblems is a mathematics channel dedicated to providing free, quality videos that anybody can use anywhere to learn.

Your support is a heartfelt source of encouragement that propels the channel forward. Any likes, subscriptions, comments, constructive criticisms, etc., are wholeheartedly appreciated.

LetsSolveMathProblems is a mathematics channel dedicated to providing free, quality videos that anybody can use anywhere to learn.

Your support is a heartfelt source of encouragement that propels the channel forward. Any likes, subscriptions, comments, constructive criticisms, etc., are wholeheartedly appreciated.

# Video

**Challenge 97: Summation Manipulation**

Views 2.6K27 days ago

**Challenge 96: Can You Find the Sum of Two Angles?**

Views 2.1KMonth ago

**Solution 94: Partitions into Groups and Subgroup**

Views 2.1KMonth ago

**Solution 93: Does a "p-rapid" Sequence Converge?**

Views 1.7KMonth ago

**Challenge 94: Partitions into Groups and Subgroups**

Views 2.6KMonth ago

**Where is LetsSolveMathProblems headed?**

Views 3.7K2 months ago

**Solution 92: A (not necessarily) Trisecting Median**

Views 2.9K2 months ago

**Challenge 93: Does a "p-rapid" Sequence Converge?**

Views 2.1K2 months ago

**Solution 91: The Last Three Digits of a Phi-Exponent Tower**

Views 3.3K2 months ago

**Challenge 92: A Trisecting Median**

Views 3.3K2 months ago

**Solution 90: Logic Problem on Types of Cars**

Views 2.1K2 months ago

**Challenge 91: The Last Three Digits of a Phi-Exponent Tower**

Views 3.2K2 months ago

**Solution 89: Closed Form of a Generating Function**

Views 4.1K2 months ago

**Challenge 90: Three Types of Cars Riddle**

Views 2.3K2 months ago

**Solution 88: 1/n and Square Roots**

Views 7K2 months ago

**Challenge 89: Can You Find the Generating Function of {a_n}?**

Views 3.1K3 months ago

**Solution 87: Chasing the Angle HGI**

Views 2.8K3 months ago

**Challenge 88: 1/n and Square Roots**

Views 3.2K3 months ago

**Solution 86: Double Factorial and Roots of Unity Filter (Proof)**

Views 9K3 months ago

**Challenge 87: Can You Chase the Angle HGI?**

Views 2.2K3 months ago

**Solution 85: Maximizing the Difference of "Alternating Sums"**

Views 3.3K3 months ago

**Challenge 86: Can You Sum the Reciprocals of (6n)!! ?**

Views 3K3 months ago

**Vieta's with Triple Roots (2019 AIME I Problem 10)**

Views 4K3 months ago

**Adding a Bunch of 9's (2019 AIME I Problem 1)**

Views 6K3 months ago

**Solution 84: Pairs of Lattice Paths with Restrictions**

Views 1.6K3 months ago

**Challenge 85: Can You Maximize D(n) - D(n+111)?**

Views 2.3K3 months ago

**Two Putnam Appetizers (2009 A1 & 2000 A2)**

Views 8K4 months ago

**Solution 83: Sequence over Catalan (feat. Induction and Generating Functions)**

Views 2.9K4 months ago

**Challenge 84: Pairs of Lattice Paths with Restrictions**

Views 1.4K4 months ago

**Solution 82: Simple Bashing & Cauchy-Schwarz "Equality"**

Views 4.9K4 months ago

**Challenge 83: Sequence over Catalan**

Views 2K4 months ago

**Solution 81: Fascinating Interplay between 100 and 001**

Views 2.5K4 months ago

**Challenge 82: Cosine to the 2019th Power**

Views 2.8K4 months ago

**Solution 80: Slaying a Monstrous Determinant using Second Differences**

Views 6K4 months ago

**Challenge 81: Can You Count the Number of 001 and 100?**

Views 2.5K4 months ago

**Finding the Shaded Area + Proof that Medians are Concurrent (Solution 79)**

Views 3.1K5 months ago

**Challenge 80: Can You Evaluate This Determinant?**

Views 3.2K5 months ago

**Log_Heart(Diamond): 2019 AMC 12 A Problem 23**

Views 5K5 months ago

**Solution 78: Infinitely Many Tangent Circles**

Views 9K5 months ago

**Challenge 79: Can You Find the Area of This Hexagon?**

Views 2.5K5 months ago

**A Delightful Solution (77) - Manipulating Polynomials and Roots of Unity**

Views 6K5 months ago

**Challenge 78: Infinitely Many Tangent Circles**

Views 6K5 months ago

**Solution 76: Polygonal Numbers and GCD's**

Views 2.6K5 months ago

**Challenge 77: Product-Pairing 2019 Omegas**

Views 2.7K5 months ago

**Solution 75: Integrating Limit, Arithmetic Mean, and Trig**

Views 3.3K6 months ago

**Challenge 76: Polygonal Numbers and GCD's**

Views 1.9K6 months ago

**Solution 74: Introducing Symmetry Using Trig Identities**

Views 3.5K6 months ago

**Challenge 75: Limit, Arithmetic Mean, and Trig**

Views 1.9K6 months ago

**Solution 73: Schröder Path Pattern Avoidance**

Views 2.7K6 months ago

**Challenge 74: Summing from the Year 2014 to N**

Views 2.6K6 months ago

**Solution 72: Hexagon Inside a Nine-Point Circle**

Views 5K6 months ago

**Challenge 73: Schröder Path Pattern Avoidance**

Views 2.2K6 months ago

**Solution 71: Forcing the u-Substitution to Work**

Views 10K6 months ago

**Challenge 72: Hexagon Over Triangle**

Views 2.6K6 months ago

**A Gorgeous Solution via Trig Substitution (WMC 70)**

Views 12K7 months ago

**Challenge 71: Integral Squared is Eight**

Views 3.1K7 months ago

**Solution 69: States, Expected Values, Ants, and an Octahedron**

Views 2.3K7 months ago

**Challenge 70: Can You Solve This System of Equations?**

Views 3.2K7 months ago

**Challenge 69: Three Ants on an Octahedron**

Views 1.7K7 months ago

**Solution 67: Substitution and Symmetry vs. a Functional Equation**

Views 8K7 months ago

**Challenge 68: Can You Find the Last Two Digits?**

Views 2.7K7 months ago

**Solution 66: sec(sum(csc(tan(cot(sin(cos(...)))))))**

Views 13K8 months ago

**Challenge 67: An Almost Symmetric Functional Equation**

Views 2.5K8 months ago

**Solution 65: Tangent Circles and Angle Chasing**

Views 3.1K8 months ago

**Challenge 66: sec(sum(csc(tan(cot(sin(cos(...)))))))**

Views 3.8K8 months ago

**AIME: Polynomial Functional Equation (Reupload) 2016 A Problem 11**

Views 12K8 months ago

**Solution 64: Dyck Path Pattern Avoidance (UDUDUD) and Containment**

Views 2K8 months ago

**Challenge 65: Tangent Circles and Angle Chasing**

Views 1.7K8 months ago

**Solution 63: Minimization with Floor and Ceiling**

Views 8K8 months ago

**Challenge 64: Can You Avoid This Dyck Path?**

Views 2.3K8 months ago

**Solution 62: Cleverly Manipulating a Diophantine Equation with x^2018**

Views 15K9 months ago

**Challenge 63: Minimization with Floor and Ceiling**

Views 2.2K9 months ago

**Solution 61: Subtle Differences in Conditional Probability (Comparing Polynomials)**

Views 2.4K9 months ago

**Challenge 62: Positive Odd Integers**

Views 2K9 months ago

**Proof that Nonempty Perfect Set in R^k is Uncountable (feat. Baby Rudin)**

Views 4.5K9 months ago

**Solution 60: Varignon, Brahmagupta, Ptolemy, and Cyclic Quadrilateral**

Views 2.7K9 months ago

**Challenge 61: Comparing Polynomials**

Views 2.1K9 months ago

**Putnam for Amusement: 1998 B1 and 1991 A2**

Views 10K9 months ago

**Solution 59: Recursion and Hidden Fibonacci Sequence**

Views 2.6K9 months ago

**Challenge 60: Cosine and Cyclic Quadrilateral**

Views 1.6K9 months ago

**Exponential Generating Function for Bell Numbers (Proof)**

Views 4.5K9 months ago

**🔔 Bell Numbers and Its Recurrence Relation (Proof)**

Views 6K9 months ago

**Solution 58: The Art of Logarithmic Simplification**

Views 3.7K10 months ago

**Challenge 59: Inequality and 9-Digit Numbers**

Views 1.6K10 months ago

**Does Derivative Have to be Continuous? (feat. x^2sin(1/x))**

Views 13K10 months ago

**Challenge 58: A Chain of Logarithms**

Views 1.8K10 months ago

**Solution 57: Remainders and Summations**

Views 2.3K10 months ago

**A Lovely Solution to "System of Combinations"**

Views 3K10 months ago

**Challenge: Remainders and Summations**

Views 1.8K10 months ago

**Harvard-MIT: Chain-Chain-Chain Rule (2009 Feb #2)**

Views 10K10 months ago

**3 Solutions: Trace, Determinant, Cayley-Hamilton, Eigenvalues, and More**

Views 3K10 months ago

**Challenge: Combining Combinations**

Views 2.2K10 months ago

**Solution: Hidden Reuleaux Triangle**

Views 4.7K10 months ago

**Challenge: Trace of Inverse and Inverse Squared**

Views 3K10 months ago

**Double Summation from Harvard-MIT Math Tournament (HMMT)**

Views 37K11 months ago

**Solution: A Cool Double Summation + Integral Combo**

Views 12K11 months ago

**Challenge: Can You Make All Three Angles Obtuse?**

Views 2.8K11 months ago

**Integrating (sinx)^(2n) by Reduction Formula**

Views 15K11 months ago