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
MHB How Far Will a 30 kg Cart Move in 3 Seconds with a 10 N Push?
  • · Replies 1 ·
Replies
1
Views
4K
MHB Proper method to calculate damage per second for Role Playing Games
  • · Replies 1 ·
Replies
1
Views
2K
MHB 2.38 throw a glob of puddy straight up toward the ceiling
  • · Replies 2 ·
Replies
2
Views
7K
High School Difference Quotient vs ARC of a Function
  • · Replies 8 ·
Replies
8
Views
3K
MHB GCD Proving Assistance - Get Help Now!
  • · Replies 6 ·
Replies
6
Views
2K
High School How Can Trigonometry Calculate Distances in Surveying?
  • · Replies 5 ·
Replies
5
Views
3K
High School Simple Question About Term(s) re: Fermat
  • · Replies 6 ·
Replies
6
Views
2K
MHB Equilateral triangle within a circumscribed circle
  • · Replies 5 ·
Replies
5
Views
3K
MHB Is there an other way to show the proposition ?
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad Can the Double Summation be Simplified?
  • · Replies 7 ·
Replies
7
Views
4K
Undergrad Teacher needs maths assistance please
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad No Way to Solve π(x) from Riemann's Zeta Function?
  • · Replies 9 ·
Replies
9
Views
2K
MHB Is the Calculation for Eb6 Displacement Correct?
  • · Replies 3 ·
Replies
3
Views
2K
MHB Find Integer $n$: Reversed Digits = 999 - Prime < 6000
  • · Replies 7 ·
Replies
7
Views
2K
Undergrad Are Physicists better math puzzle solvers than mathematicans?
  • · Replies 10 ·
Replies
10
Views
2K
MHB A daredevil is shot out of a cannon
  • · Replies 2 ·
Replies
2
Views
3K
MHB Determine the number of integers for which the congruence is true
  • · Replies 2 ·
Replies
2
Views
1K
MHB Find the smallest A satisfying the inequality
  • · Replies 3 ·
Replies
3
Views
2K
High School What is the fair way to distribute costs and why?
  • · Replies 7 ·
Replies
7
Views
1K
Graduate Movie "Hidden Figures" [Spoilers]
  • · Replies 6 ·
Replies
6
Views
4K
MHB Prove the nested radicals identity √(n−√(n+√(n−√(n+....
  • · Replies 4 ·
Replies
4
Views
2K
High School Where do new math ideas come from and how are they explored?
  • · Replies 13 ·
Replies
13
Views
3K
MHB Find the maximal value of a^4b+b^4c+c^4a
  • · Replies 4 ·
Replies
4
Views
2K
MHB Eb6 What is the plane’s total displacement
  • · Replies 6 ·
Replies
6
Views
4K
MHB Equlateral Triangle: Prove $ab \cos \gamma = ac \cos \beta = bc \cos \alpha$
  • · Replies 2 ·
Replies
2
Views
1K
MHB How Does Constant Acceleration Affect Antelope Speed Over 70 Meters?
  • · Replies 5 ·
Replies
5
Views
10K
High School Are These Radian Equations Correct?
  • · Replies 16 ·
Replies
16
Views
2K
MHB Find the maximal number of subsets, k.
  • · Replies 1 ·
Replies
1
Views
2K
Leonard Eugene Dickson's story: details?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Examples of fractal structure in prime partition numbers?
  • · Replies 2 ·
Replies
2
Views
2K
High School Calculating Rod Speeds with Algebraic Formulas
  • · Replies 5 ·
Replies
5
Views
1K
MHB Solution to the Riemann Hypothesis in plain English
  • · Replies 5 ·
Replies
5
Views
3K
MHB Eb 4.d determine the magnitude and direction of V
  • · Replies 4 ·
Replies
4
Views
2K
MHB Polynomial challenge: Show that not all the coefficients of f(x) are integers.
  • · Replies 3 ·
Replies
3
Views
2K
High School Why is cos^-1 used in the first example but not the second?
  • · Replies 4 ·
Replies
4
Views
1K
Undergrad Primes and Polynomials
  • · Replies 26 ·
Replies
26
Views
3K
High School Understanding A Middle Ordinate In Terms Of Geometry
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad Is this a compound angle? What's the geometric meaning?
  • · Replies 1 ·
Replies
1
Views
2K
MHB Show that the binary number b=0.11…1 with 2003 1’s satisfies 0.99⋅⋅⋅9<b<0.99…9
  • · Replies 4 ·
Replies
4
Views
1K
MHB Prove a_0+a_1+…+a_2016>3^(2017)−1
  • · Replies 2 ·
Replies
2
Views
2K
MHB UP.2.33 The jumping flea problem
  • · Replies 7 ·
Replies
7
Views
4K
MHB Eb3 Velocity and Time: Calculate $V_{av}, v_{av}$, and Time to Fly $3.5 \ km$
  • · Replies 2 ·
Replies
2
Views
2K
MHB What is an Integral Multiple of 4?
  • · Replies 2 ·
Replies
2
Views
18K
Undergrad What is significance of eulers number
  • · Replies 3 ·
Replies
3
Views
1K
High School Radian unit -- Why neglected in dimensional analysis?
  • · Replies 27 ·
Replies
27
Views
6K
MHB AO+BO+CO≥6r where r is the radius of the inscribed circle
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad For every finite integer sequence there's a pattern- source?
  • · Replies 7 ·
Replies
7
Views
2K
High School Which mathematical objects are more common in nature?
  • · Replies 11 ·
Replies
11
Views
2K
MHB Finding equation from logarithmic graph
  • · Replies 6 ·
Replies
6
Views
3K
MHB What is the Proof for the Trigonometric Sum Identity?
  • · Replies 2 ·
Replies
2
Views
1K
High School Leap Year Issues: What's the Deal with February?
  • · Replies 16 ·
Replies
16
Views
2K
Undergrad What is the Proof of an Inequality for Three Positive Numbers?
  • · Replies 6 ·
Replies
6
Views
2K
High School Clarification about Fractal Dimensions
  • · Replies 3 ·
Replies
3
Views
2K
High School Finding the Equation to Place RGB=255 128 0 on a Long Thin Shape
  • · Replies 4 ·
Replies
4
Views
1K
MHB UP 2.1 Rocket Average Velocity
  • · Replies 2 ·
Replies
2
Views
2K
High School Self learn calculus for UK A-levels?
  • · Replies 1 ·
Replies
1
Views
2K
MHB Given a,b∈T, a^2−ab+b^2 divides a^2b^2, Prove that T is finite
  • · Replies 2 ·
Replies
2
Views
1K
High School Can multivariate non-negative polynomials always be written as a sum of squares?
  • · Replies 5 ·
Replies
5
Views
2K
High School Remainder of polynomial division
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad [Signal and system] Function with fourier series a[k] = 1
  • · Replies 2 ·
Replies
2
Views
1K
MHB Show, that (7+5√2)^(1/3)+(7−5√2)^(1/3) is an integer
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad What is the name of this field of science please?
  • · Replies 10 ·
Replies
10
Views
2K
MHB Not all the roots are real iff a^2_1<a_2
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad What is the structure and purpose of abstracts in math papers?
  • · Replies 2 ·
Replies
2
Views
2K
Math Problem Solving: Resources for Fun & Learning
  • · Replies 6 ·
Replies
6
Views
1K
MHB Prove a number is divisible by a number?
  • · Replies 7 ·
Replies
7
Views
2K
MHB Need help with reversal of a calculation involving gravitational constant.
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Putting a point inside a triangle in 3D space
  • · Replies 5 ·
Replies
5
Views
2K
MHB Find all functions satisfying f(mn)=f(m)f(n), and m+n|f(m)+f(n)
  • · Replies 5 ·
Replies
5
Views
2K
MHB Is the Product \(abc(a^3-b^3)(b^3-c^3)(c^3-a^3)\) Divisible by 7?
  • · Replies 1 ·
Replies
1
Views
1K
MHB Algebraic expression simplification 2(2u+v)/u = 4(v^2-4u^2)/3u^2
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad Fitting circles inside other circles
  • · Replies 20 ·
Replies
20
Views
6K
Insights Make Units Work for You - Comments
  • · Replies 13 ·
Replies
13
Views
2K
Undergrad Proof that 0 + 0 +....+ 0 +.... = 0
  • · Replies 33 ·
2
Replies
33
Views
4K
MHB Show ⌊a¹⁷⁸⁸⌋ and ⌊a¹⁹⁸⁸⌋ are both divisible by 17
  • · Replies 1 ·
Replies
1
Views
1K
MHB Calculate Buoyant Force of 2.00L Helium Balloon
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Calculation of x from log equation
  • · Replies 3 ·
Replies
3
Views
1K
High School How are mathematical ideas discovered
  • · Replies 5 ·
Replies
5
Views
1K
MHB Find Tension and mass of painting equipment on scuffle board.
  • · Replies 3 ·
Replies
3
Views
4K
Insights 10 Math Tips to Save Time and Avoid Mistakes
  • · Replies 25 ·
Replies
25
Views
5K
Undergrad Solving new problems (ones that have not yet been solved)
  • · Replies 10 ·
Replies
10
Views
2K
High School Confused by this: What does 10^10^79 mean?
  • · Replies 5 ·
Replies
5
Views
1K
MHB Can You Solve for Tension and Force in Static Equilibrium for a Boom?
  • · Replies 2 ·
Replies
2
Views
3K
MHB Maximize Σ(x^2+y)(y^2+x))/((x+y-1)^2)
  • · Replies 2 ·
Replies
2
Views
1K
High School Simplifying expressions -- What exactly does it mean to simplify an expression?
  • · Replies 7 ·
Replies
7
Views
3K
MHB Find force with Young's modulus
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Longer math and physics problems
  • · Replies 7 ·
Replies
7
Views
2K
High School Solve Math Puzzle: 0.999... ≠ 1
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Understanding Cauchy-Schwarz Inequality
  • · Replies 7 ·
Replies
7
Views
2K
MHB Which Taxi Has the Cheapest Fare for 15 km?
  • · Replies 8 ·
Replies
8
Views
3K
High School Hot tubs and hyperbolic curves
  • · Replies 9 ·
Replies
9
Views
1K
MHB Need Help Solving x^2-x-4=0? Get Assistance Here!
  • · Replies 4 ·
Replies
4
Views
2K
High School A single or multiple equations of 'y'?
  • · Replies 17 ·
Replies
17
Views
2K
MHB How to Make 24 with 21, 20, 22, and 6 Using Basic Operations?
  • · Replies 1 ·
Replies
1
Views
2K
MHB Polynomial with five roots: determine the roots of the equation x^5+ax^4+bx^3+cx^2+dx+e=0 as functions of a,d and e
  • · Replies 1 ·
Replies
1
Views
1K
MHB Sequence Challenge: Proving Periodicity of $\left\{x_n\right\}$ (Mod 11)
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Finding the explicit solution of a trig equation
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Proof: 0.9999 does not equal 1
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Domain of the identity function after inverse composition
  • · Replies 3 ·
Replies
3
Views
2K
MHB Fast & Quickly Determine The Answer
  • · Replies 2 ·
Replies
2
Views
2K