General Math Forum

Post thread
Join in expert discussion on general math topics that are not applicable to the specific categories. This includes topics are usually high school math level. Homework help is available.

Math Proof Training and Practice

A gap in resources that should help students visualise mathematics

Math Guides, Tutorials and Articles

MHB Deriving the first and second order Newton-Cotes formulas

Math Problem of the Week

Undergrad Sum of an Alternating Series
Undergrad Is there any pyramid like that?
  • · Replies 10 ·
Replies
10
Views
1K
MHB Can You Solve This Trigonometric Equation for $x$?
  • · Replies 4 ·
Replies
4
Views
2K
MHB Solving equation of floor function
  • · Replies 2 ·
Replies
2
Views
2K
MHB Solving for U & P in a Coordinate Change
  • · Replies 1 ·
Replies
1
Views
1K
MHB Cross-Border Conversions: Miles to Kilometers
  • · Replies 1 ·
Replies
1
Views
1K
MHB Finding Conversion Formula for P & Q Coordinates
  • · Replies 1 ·
Replies
1
Views
2K
High School Can't remember how to solve equation with two variables
  • · Replies 16 ·
Replies
16
Views
2K
MHB Angle between the tangents to the circle
  • · Replies 4 ·
Replies
4
Views
2K
High School Answer: Verify f(x(n)) for n = -5 to 5
  • · Replies 17 ·
Replies
17
Views
2K
Graduate What Are Some Innovative Mathematical Strategies Beyond Traditional Induction?
  • · Replies 1 ·
Replies
1
Views
1K
MHB Solve for positive integer solutions
  • · Replies 3 ·
Replies
3
Views
1K
Graduate Relationship between truncated tetrahedral and its enclosed tetrahedral....
  • · Replies 5 ·
Replies
5
Views
2K
MHB Centripetal Force Calculation: How Many G's Can Your Centrifuge Simulate?
  • · Replies 1 ·
Replies
1
Views
2K
MHB Is 'Find x' Really About Calculating the Value of x?
  • · Replies 4 ·
Replies
4
Views
2K
MHB Find $x$ in $\lfloor\frac{x-1}{2}\rfloor+\lfloor\frac{x^2-x}{3}\rfloor=x$
  • · Replies 8 ·
Replies
8
Views
2K
High School Constants and variables (the very basics)
  • · Replies 5 ·
Replies
5
Views
2K
High School Maths question regarding factors
  • · Replies 8 ·
Replies
8
Views
1K
MHB Proving (fοg)(x) = 3f(x) for f(x)=log(1+x)/(1-x) and g(x)=(3x+x2)/(3x2+1)
  • · Replies 4 ·
Replies
4
Views
2K
High School What is the Method to Calculate Sin β in a Triangle?
  • · Replies 4 ·
Replies
4
Views
2K
MHB What is the result of three compositions of the function f at -1?
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Calculating minimum velocity around a loop
  • · Replies 2 ·
Replies
2
Views
2K
High School Origin of "subject of an equation"
  • · Replies 6 ·
Replies
6
Views
1K
High School Trigonometry triangle Question
  • · Replies 9 ·
Replies
9
Views
2K
MHB Solution for Optimal Number of Issuance Counters and Loading Bays
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is a function really equal to its Fourier series?
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad How do you reverse this equation
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Links between sub-fields of mathematics
  • · Replies 2 ·
Replies
2
Views
1K
High School What does it mean to multiply by x / x?
  • · Replies 10 ·
Replies
10
Views
4K
MHB Conservation of Symbols Law of Algebra
  • · Replies 1 ·
Replies
1
Views
2K
MHB Solve the inequality and graph the solution a real number line
  • · Replies 3 ·
Replies
3
Views
2K
High School Enjoyable Enigmas #2: Who Wins the Matchstick Game?
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Different forms of the discrete Fourier Transform
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How reconstitute a conic equation by 4 roots?
  • · Replies 4 ·
Replies
4
Views
1K
Graduate Function with Euler's constant
  • · Replies 7 ·
Replies
7
Views
1K
MHB Prove $(s^3+t^3+u^3+v^3)^2=9(st-uv)(tu-sv)(us-tv)$ with $s+t+u+v=0$
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Solve for XYZ Given LMN: 0.5839, 0.1682, 0.2477
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Reflection Coefficient: Steps 4 to 5 Explained by Drforbin
  • · Replies 5 ·
Replies
5
Views
2K
High School How Do I Multiply These Polynomial Equations?
  • · Replies 6 ·
Replies
6
Views
6K
MHB Adding binomials and trinomials
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Is It True That x Must Be Less Than or Equal to y If x Divides y?
  • · Replies 9 ·
Replies
9
Views
2K
MHB Simplification and manipulation
  • · Replies 4 ·
Replies
4
Views
2K
High School How to solve an inequality with a fraction and a negative number?
  • · Replies 5 ·
Replies
5
Views
1K
Graduate Ray tracing with transfer matrix method
  • · Replies 1 ·
Replies
1
Views
2K
MHB Flagpole Angle: 40 Degrees - What's 3/4 of the Way Up?
  • · Replies 4 ·
Replies
4
Views
3K
Undergrad Can fourier sine series approximate even functions?
  • · Replies 1 ·
Replies
1
Views
1K
MHB What rule is used to receive number 1
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Factorizing Polynomials with Irrational Exponents
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad Graph Theory Notation Question
  • · Replies 1 ·
Replies
1
Views
1K
MHB Rational Expressions: Subtract 1/2x-7/x-3
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Constructing Equations from Points
  • · Replies 4 ·
Replies
4
Views
1K
Undergrad Filling an area with triangles to minimise space loss
  • · Replies 6 ·
Replies
6
Views
2K
MHB Trig proof: sum of squared cosecants
  • · Replies 3 ·
Replies
3
Views
2K
High School Determining Precisely Which Angles of a Triangle Are Congruent
  • · Replies 2 ·
Replies
2
Views
2K
High School Equations with multiple solutions
  • · Replies 21 ·
Replies
21
Views
3K
MHB Solve the inequality and graph the solution on a real number line
  • · Replies 2 ·
Replies
2
Views
2K
MHB In the triangle ABC the point D lies on the side BC and point E on the side AB
  • · Replies 1 ·
Replies
1
Views
3K
High School Can I Use Logarithms to Solve Exponential Equations?
  • · Replies 7 ·
Replies
7
Views
2K
High School Why does the order of operations work?
  • · Replies 14 ·
Replies
14
Views
2K
High School How Can I Improve My Maths Skills?
  • · Replies 6 ·
Replies
6
Views
2K
MHB How to Simplify Complex Problems: Expert Tips and Tricks
  • · Replies 2 ·
Replies
2
Views
2K
High School How to solve absolute value equation with two absolute values
  • · Replies 6 ·
Replies
6
Views
5K
Undergrad Significance of the angle theta at r=0 point
  • · Replies 1 ·
Replies
1
Views
1K
MHB Solve Exercise 1.6 in Greenberg's Euclidean Geometry: Betweenness and Lying On
  • · Replies 1 ·
Replies
1
Views
3K
Insights The History and Concept of the Number 0 - Comments
  • · Replies 7 ·
Replies
7
Views
3K
High School Why is the absolute value of 16 not equal to 4?
  • · Replies 8 ·
Replies
8
Views
1K
Graduate How can a human Neural Network be used to reduce complexity in signal analysis?
  • · Replies 17 ·
Replies
17
Views
2K
High School Reflexive Property vs Commutative Property of Addition?
  • · Replies 13 ·
Replies
13
Views
5K
Undergrad Determining the location of a signal using only 2 receivers
  • · Replies 3 ·
Replies
3
Views
1K
Graduate Orthogonal properties of confluent hypergeometric functions
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is There a Simpler Way to Express Hyperbolic Coordinates in Terms of x and y?
  • · Replies 1 ·
Replies
1
Views
4K
Undergrad Improve Conversions: Struggling with Engineering Math? Get Expert Help Now!
  • · Replies 5 ·
Replies
5
Views
2K
MHB Find all possible values of a-b
  • · Replies 3 ·
Replies
3
Views
2K
MHB How Do You Solve This Floor Function Equation?
  • · Replies 2 ·
Replies
2
Views
2K
MHB Points where a line intercepts a circle
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Does Infinity Exist in the Real Universe?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Concerning equivalence of sini (sinus pl.(?))
  • · Replies 11 ·
Replies
11
Views
2K
MHB Is \binom{n}{r} even for even n and odd r?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Proof using mathematical induction
  • · Replies 11 ·
Replies
11
Views
2K
High School Understanding the Truth behind 2 ≥ √2
  • · Replies 3 ·
Replies
3
Views
2K
MHB Is this equation true for positive values of x and y?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad What is the significance of the diagonal line in Cobweb Diagrams?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Can you solve the hardest logic problem?
  • · Replies 26 ·
Replies
26
Views
5K
Undergrad What is the Calculation for 3D Slope?
  • · Replies 3 ·
Replies
3
Views
2K
Insights Questions About Infinity - Comments
  • · Replies 15 ·
Replies
15
Views
3K
High School Why is my equation not working for finding the angles of a triangle?
  • · Replies 2 ·
Replies
2
Views
1K
MHB Solve NPV for Costs | Mike's Question
  • · Replies 1 ·
Replies
1
Views
2K
MHB Solve Algebra Quadratics: Get Solutions & Answers
  • · Replies 1 ·
Replies
1
Views
3K
MHB Learning Math: Best Practices for New Grad Students
  • · Replies 1 ·
Replies
1
Views
4K
MHB Book of Odd, Volume I | 1700 TVM formulas
  • · Replies 4 ·
Replies
4
Views
4K
Undergrad General Solution To Three Simultaneous Equations
  • · Replies 4 ·
Replies
4
Views
3K
MHB NEW Beginner's Trigonometry Identities Problem
  • · Replies 3 ·
Replies
3
Views
2K
MHB Real Zeros of a Polynomial Function
  • · Replies 8 ·
Replies
8
Views
4K
MHB Prove Inequality: IMO $\frac{1}{x^4}+\cdots \geq \frac{128}{3(x+y)^4}$
  • · Replies 5 ·
Replies
5
Views
2K
MHB Prove Triangle BAD = CEA: Tips & Maths Class Help
  • · Replies 2 ·
Replies
2
Views
3K
High School Is There a Way to Simplify This Equation Online?
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Complexity of Go: Calculating the Game Tree Estimate
  • · Replies 1 ·
Replies
1
Views
3K
High School Need help identifying which algebra rule was used
  • · Replies 5 ·
Replies
5
Views
2K
Graduate How is this proof finished? I was told it is proven
  • · Replies 4 ·
Replies
4
Views
1K
Graduate Coordinate translation on a rotating plane
  • · Replies 1 ·
Replies
1
Views
1K
High School What is the concept of infinity in mathematics?
  • · Replies 4 ·
Replies
4
Views
2K