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
High School How to calculate size of objects in digital photo
  • · Replies 19 ·
Replies
19
Views
3K
MHB -6.1.12 solve for x 3^{2x}=105
  • · Replies 6 ·
Replies
6
Views
1K
MHB -s6.6 solve exponential eq 3^x-14\cdot 3^{-x}=5
  • · Replies 1 ·
Replies
1
Views
1K
MHB Solving g(x)-h(x) <0: Find a, b, c, d
  • · Replies 2 ·
Replies
2
Views
1K
MHB B12 using counters of algebra eq
  • · Replies 2 ·
Replies
2
Views
1K
MHB B20.<= to the length of the dividend
  • · Replies 1 ·
Replies
1
Views
964
Undergrad Proof of average height of half circle
  • · Replies 19 ·
Replies
19
Views
3K
MHB Calculating rates of two points moving along a circle
  • · Replies 4 ·
Replies
4
Views
1K
MHB -c5.LCM and Prime Factorization of A,B,C
  • · Replies 3 ·
Replies
3
Views
1K
MHB -c6. Find the GCF and the LCF of A and B.
  • · Replies 1 ·
Replies
1
Views
1K
Graduate What is the most difficult text on mathematics?
  • · Replies 169 ·
6
Replies
169
Views
30K
MHB -c11.interpretation of division
  • · Replies 1 ·
Replies
1
Views
1K
MHB -c03 write prime factorization of the LCM of A and B
  • · Replies 3 ·
Replies
3
Views
990
Undergrad Linus Pauling on the Role of Numbers in Science: A Request for Reference
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad How would you have answered Richard Feynman's challenge?
  • · Replies 7 ·
Replies
7
Views
1K
MHB Optimizing B for Inequality with Floor Function
  • · Replies 1 ·
Replies
1
Views
1K
High School Cross section (?) of Great Pyramid from drone footage
  • · Replies 47 ·
2
Replies
47
Views
6K
MHB Which Polymer Materials Meet These Specific Criteria?
  • · Replies 3 ·
Replies
3
Views
2K
MHB Solving Quadratic Equations with Binary Operator $\otimes$
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Help with rewriting a compound inequality
  • · Replies 10 ·
Replies
10
Views
2K
MHB Is the Calculation of $(3 \diamond 8) \square 2 = 1940$ Correct?
  • · Replies 2 ·
Replies
2
Views
998
MHB What is the Binary Operator $\oplus$ and its Significance?
  • · Replies 3 ·
Replies
3
Views
1K
MHB Image Markup Questions: Refresh Basics in V18 Binary Operators
  • · Replies 8 ·
Replies
8
Views
1K
MHB V.02.Binary operator by a*b=a+8b
  • · Replies 2 ·
Replies
2
Views
815
MHB How to Solve a Composition of Functions g(f(x))?
  • · Replies 9 ·
Replies
9
Views
2K
Undergrad A question about a small step in the proof of RSA encryption
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Equation for circle points in 3D
  • · Replies 3 ·
Replies
3
Views
3K
Insights An Introduction to Theorema Primum
  • · Replies 0 ·
Replies
0
Views
3K
MHB Can you solve this problem using bar models and ratios?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Is the odd root of an even number always an irrational number?
  • · Replies 9 ·
Replies
9
Views
2K
Undergrad Multiplication and addition definition of congruence classes
  • · Replies 5 ·
Replies
5
Views
2K
MHB How Do You Calculate the Difference Between d and f?
  • · Replies 1 ·
Replies
1
Views
1K
High School Round-Robin Matching Teams (Darts)
  • · Replies 15 ·
Replies
15
Views
2K
Undergrad Ancient mathematics/History of mathematics
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad (Elementary number theory) Understanding congruence and modulus
  • · Replies 9 ·
Replies
9
Views
2K
MHB Proving Equivalence of f(x) and g(x)
  • · Replies 2 ·
Replies
2
Views
1K
MHB Proving Equivalence of f(x) and g(x)
  • · Replies 5 ·
Replies
5
Views
1K
Are There Other Confirmed Geniuses in this Forum?
  • · Replies 20 ·
Replies
20
Views
2K
Undergrad What is an object with a zero square?
  • · Replies 6 ·
Replies
6
Views
1K
Undergrad Can the Housie Game Incorporate Negative and Decimal Numbers?
  • · Replies 2 ·
Replies
2
Views
1K
MHB How can I solve these induction and function problems in my French homework?
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Just for fun: math brain teaser
  • · Replies 8 ·
Replies
8
Views
3K
MHB How Many Possible Cards Can Be Made with Sasha, Pasha, and Masha?
  • · Replies 1 ·
Replies
1
Views
1K
MHB Interpolating Points with Continuous Modular Functions?
  • · Replies 5 ·
Replies
5
Views
2K
MHB How can I solve the problem of $e^x-\ln{x}=4$ without a calculator?
  • · Replies 10 ·
Replies
10
Views
2K
MHB Find A,B,C for Factorial Equation
  • · Replies 4 ·
Replies
4
Views
2K
MHB Get 25% Off - Save on E-Commerce Prices
  • · Replies 2 ·
Replies
2
Views
1K
High School 14-year-old won a prestigious award for his discoveries on 'antiprime'
  • · Replies 1 ·
Replies
1
Views
1K
MHB Solve $(x^2-7x+11)^{x^2-13x+42}=1$ Equation
  • · Replies 7 ·
Replies
7
Views
1K
Undergrad Five points in space with rational distances that are not co-linear
  • · Replies 13 ·
Replies
13
Views
3K
Undergrad The “philosophical cornerstone” of the Moller-Plesset perturbation theory
  • · Replies 1 ·
Replies
1
Views
1K
MHB Proving trigonometric functions
  • · Replies 9 ·
Replies
9
Views
2K
MHB New Billboard Dimensions: 4m x (4m + 96cm^2)
  • · Replies 2 ·
Replies
2
Views
1K
MHB How can I get equal columns and rows from a total?
  • · Replies 1 ·
Replies
1
Views
1K
MHB Solving $\tan^2x + \tan^2{2x} + \cot^2{3x} = 1$ in R
  • · Replies 6 ·
Replies
6
Views
1K
High School Looking for creative solutions to this math problem
  • · Replies 14 ·
Replies
14
Views
2K
Graduate Mathematics Behind Global Currency as a Wealth Inequality Regulation System
  • · Replies 26 ·
Replies
26
Views
2K
High School When you have no idea how to work out a problem
  • · Replies 4 ·
Replies
4
Views
1K
Graduate Variation of Catalan Conjecture
  • · Replies 22 ·
Replies
22
Views
2K
High School Cosine of 1 degree and cosine of 60 degrees?
  • · Replies 34 ·
2
Replies
34
Views
3K
MHB What Makes Mexico City's History So Fascinating?
  • · Replies 3 ·
Replies
3
Views
1K
MHB Engineering Mechanics: airplane landing
  • · Replies 10 ·
Replies
10
Views
3K
Undergrad Which kind of function is this?
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad Is arcsec = 1 divided by arccos ? Arcsec = 1/arccos
  • · Replies 34 ·
2
Replies
34
Views
4K
Graduate Clarification of Mihăilescu's Theorem (Catalan's Conjecture)
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Newbie learning Heat Exchanger
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Does anyone recognize this equation?
  • · Replies 3 ·
Replies
3
Views
1K
MHB What are the Kinematics of a Particle?
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad How to solve an equation with FMOD in it
  • · Replies 10 ·
Replies
10
Views
1K
MHB Why Is My Solution 9x+-11 Incorrect for the Algebra Problem -6(x+2)+10+3(x-3)?
  • · Replies 8 ·
Replies
8
Views
1K
High School Difference between powers of numbers equaling 1
  • · Replies 11 ·
Replies
11
Views
2K
Insights Physical Applications of the “Tan Rule”
  • · Replies 1 ·
Replies
1
Views
3K
High School Optimizing permutations of hero traits in a computer game
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Equation to graph a sine wave that acts like a point on a unit circle
  • · Replies 8 ·
Replies
8
Views
2K
Undergrad I found an interesting math result, but now I see a contradiction
  • · Replies 3 ·
Replies
3
Views
1K
MHB Find the length x if the shaded area is 1200 cm^2
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad Maximum separation on an infinite line
  • · Replies 29 ·
Replies
29
Views
3K
MHB What are the first two positive x-intercepts for the given sinusoidal function?
  • · Replies 4 ·
Replies
4
Views
1K
Undergrad What is the function that describes this Asymptotic behaviour?
  • · Replies 13 ·
Replies
13
Views
2K
MHB 1.4.1 complex number by condition
  • · Replies 13 ·
Replies
13
Views
2K
MHB Double-Check My Problem Solving | Correct Reasoning Verification
  • · Replies 3 ·
Replies
3
Views
1K
MHB Solve System of Equations Related to Race Speeds
  • · Replies 2 ·
Replies
2
Views
1K
MHB How Do I Correctly Subtract All Black Hands in Part (d)?
  • · Replies 1 ·
Replies
1
Views
1K
MHB Is the Equation $ |tanx + cotx| = |tanx| + |cotx| $ True for Any Value of $x$?
  • · Replies 3 ·
Replies
3
Views
1K
MHB Vowel-Consonant Arrangements and Non-Adjacent Vowels
  • · Replies 6 ·
Replies
6
Views
2K
High School What is the connection between the Law of Cosines and Euclid's teachings?
  • · Replies 22 ·
Replies
22
Views
3K
High School Problem involving unit vectors
  • · Replies 26 ·
Replies
26
Views
2K
Undergrad Object Encapsulation: Is it Possible?
  • · Replies 23 ·
Replies
23
Views
2K
High School Proof Pertaining to Possible Paths Through 3 Dimensions
  • · Replies 18 ·
Replies
18
Views
3K
High School Wind speed (100mph) to Pressure (psi)
  • · Replies 30 ·
2
Replies
30
Views
120K
Graduate Generalized Diophantine equation and the method of infinite descent
  • · Replies 4 ·
Replies
4
Views
1K
Undergrad Properties of the legs of a right triangle
  • · Replies 3 ·
Replies
3
Views
1K
MHB What's the best financing option for Mia's used trailer purchase?
  • · Replies 1 ·
Replies
1
Views
1K
MHB How can we determine the sum of roots in a quadratic equation with real roots?
  • · Replies 4 ·
Replies
4
Views
2K
High School What are the different types of equations and their names?
  • · Replies 25 ·
Replies
25
Views
2K
High School Can you fall below the horizon on an expanding balloon?
  • · Replies 7 ·
Replies
7
Views
1K
Graduate Prime Factorization Theorem and Number Systems
  • · Replies 5 ·
Replies
5
Views
2K
MHB Area of Triangle ABC Given Dimensions
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Is it possible to express cos(40) as a radical?
  • · Replies 4 ·
Replies
4
Views
3K
MHB -aux.10.since he orders custom tiles how many choices does he have
  • · Replies 6 ·
Replies
6
Views
3K