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 What is the Minimum Distance B Must Travel While Maintaining Social Distancing?
  • · Replies 4 ·
Replies
4
Views
1K
MHB Integers and Divisibility Challenge
  • · Replies 1 ·
Replies
1
Views
941
MHB Using laws of sines and cosines to solve for a triangle
  • · Replies 2 ·
Replies
2
Views
1K
MHB Function's Fun f(x^2−2016x)=f(x)⋅x+2016
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad How to find the canonical form of a straight line equation in space?
  • · Replies 5 ·
Replies
5
Views
2K
MHB Numbers with a quadratic property
  • · Replies 3 ·
Replies
3
Views
1K
MHB Real Roots of Polynomial Minimization Problem
  • · Replies 1 ·
Replies
1
Views
1K
High School Can 2(sinx) be called a 'trigonometric function'?
  • · Replies 28 ·
Replies
28
Views
3K
MHB Find the volume of the hexagonal-shaped plastic box
  • · Replies 4 ·
Replies
4
Views
1K
MHB Interest Cost for Reza D. ($686.25 @ 18¾% p.a.)
  • · Replies 1 ·
Replies
1
Views
1K
MHB Calculate numerically the area
  • · Replies 8 ·
Replies
8
Views
2K
Graduate How to understand when surface terms go to zero
  • · Replies 6 ·
Replies
6
Views
2K
MHB Roots of a Polynomial Function A²+B²+18C>0
  • · Replies 4 ·
Replies
4
Views
1K
MHB Inequality of cubic and exponential functions
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Decimal Precision - Multiplying, Rounding, and Adding
  • · Replies 8 ·
Replies
8
Views
2K
MHB Solve for X | Math Problem | Paul's Question
  • · Replies 3 ·
Replies
3
Views
2K
MHB Determine how many licence plates would cost $100
  • · Replies 2 ·
Replies
2
Views
2K
MHB How can we show that one of these congruences hold?
  • · Replies 5 ·
Replies
5
Views
2K
MHB Win a $10 or $5 Prize in Tom's 4/19 Lottery Fundraiser
  • · Replies 1 ·
Replies
1
Views
2K
High School Difference between functions and variables
  • · Replies 13 ·
Replies
13
Views
2K
MHB Interval with Dirac function in a finite interval
  • · Replies 2 ·
Replies
2
Views
2K
MHB Property of real-valued Fourier transformation
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Question about Lagrange multipliers
  • · Replies 13 ·
Replies
13
Views
2K
High School What Does the Sum of Coefficients in the Binomial Theorem Expansion Represent?
  • · Replies 1 ·
Replies
1
Views
1K
MHB Calculate the integral using the Fourier coefficients
  • · Replies 1 ·
Replies
1
Views
1K
Graduate Find the Equation of a Line (not simple)
  • · Replies 12 ·
Replies
12
Views
2K
High School What Is the Correct Inverse Laplace Transform of 1/s(s²+w²)?
  • · Replies 9 ·
Replies
9
Views
2K
MHB Determine the position using an iteration method
  • · Replies 4 ·
Replies
4
Views
1K
How to solve this to calculate the input impedance?
  • · Replies 2 ·
Replies
2
Views
1K
MHB Optimizing Truck Speed and Freight Load for Cost Efficiency on Interstate Travel
  • · Replies 10 ·
Replies
10
Views
3K
MHB Ferris Wheel Rotation: How Many Degrees Per Minute?
  • · Replies 2 ·
Replies
2
Views
2K
MHB Hayldiburasomas' question via email about Secant Method
  • · Replies 1 ·
Replies
1
Views
10K
Undergrad Please Post Your Favorite Infinite Product (or Application Thereof)
  • · Replies 20 ·
Replies
20
Views
2K
Undergrad Maths puzzle -- What is the missing digit?
  • · Replies 39 ·
2
Replies
39
Views
4K
Undergrad Rewriting a piecewise function using step functions
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad |Li(x) - pi(x)| goes to 0 under RH?
  • · Replies 7 ·
Replies
7
Views
3K
Undergrad Find the only periodic solution of an ODE
  • · Replies 5 ·
Replies
5
Views
1K
MHB Cathode & Anode: Explaining the Difference
  • · Replies 2 ·
Replies
2
Views
2K
MHB How Do You Prove Limits at Infinity?
  • · Replies 3 ·
Replies
3
Views
2K
MHB Massaad's question via email about Laplace Transforms
  • · Replies 1 ·
Replies
1
Views
10K
Undergrad Trying to Split Six People into Two Groups and Have Each Person Meet
  • · Replies 3 ·
Replies
3
Views
3K
MHB Adam's question via email about Laplace Transforms
  • · Replies 4 ·
Replies
4
Views
11K
MHB Square Number Pairs from 1-50: Counting Rules
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad Surface of a cone by integration
  • · Replies 8 ·
Replies
8
Views
3K
What math do I need to solve this: 0.5x^2 - 2x + lnx = -1.687?
  • · Replies 4 ·
Replies
4
Views
1K
High School How to create a parabolic formula - For Weight Loss
  • · Replies 10 ·
Replies
10
Views
2K
High School Missing out on intermediate algebraic steps
  • · Replies 23 ·
Replies
23
Views
2K
MHB Is the Condition Number of A'A Related to its Matrix Norm?
  • · Replies 3 ·
Replies
3
Views
2K
MHB Where Do These Parametric Equations and Plane Intersect?
  • · Replies 1 ·
Replies
1
Views
2K
High School Using a logarithmic scale to represent COVID-19 growth
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad De-dimensionalizing/rescaling units
  • · Replies 6 ·
Replies
6
Views
1K
High School Generating Teams to Equally Distribute Papers for Evaluating
  • · Replies 1 ·
Replies
1
Views
1K
MHB Solve trig equation cos(2x+20)=-cos(x-11)
  • · Replies 5 ·
Replies
5
Views
3K
High School Analyzing y as a Function of x
  • · Replies 19 ·
Replies
19
Views
2K
MHB Dimensional regularizatoin of an integral
  • · Replies 7 ·
Replies
7
Views
2K
High School Divide by 4 and multiply by 15
  • · Replies 14 ·
Replies
14
Views
2K
Undergrad Significance of discovering a function which computes the n-th prime?
  • · Replies 10 ·
Replies
10
Views
2K
Graduate Partial derivative of composition
  • · Replies 6 ·
Replies
6
Views
2K
Undergrad Can Intuition be Used in Mathematics to Overcome Limit Laws and Norms?
  • · Replies 3 ·
Replies
3
Views
2K
Undergrad Horizontal Tension Force equation
  • · Replies 5 ·
Replies
5
Views
6K
Undergrad How important is our number system for science?
  • · Replies 5 ·
Replies
5
Views
2K
MHB [ASK] Derivative of an Algebraic Fraction find f(0) + f'(0)
  • · Replies 3 ·
Replies
3
Views
2K
High School Is "ten" independent of the chosen number base?
  • · Replies 57 ·
2
Replies
57
Views
6K
MHB What is the solution to 1-(x-3)/3 ≤ 1/2?
  • · Replies 6 ·
Replies
6
Views
2K
MHB Partial fractions (5x^2+1)/[(3x+2)(x^2+3)]
  • · Replies 3 ·
Replies
3
Views
3K
MHB How do I solve for F in F = 9/5C + 32?
  • · Replies 5 ·
Replies
5
Views
2K
Undergrad Does Transforming Hermite Polynomials Affect Their Orthogonality?
  • · Replies 2 ·
Replies
2
Views
2K
MHB Math Cumulative Review: Find the equation of a Line
  • · Replies 2 ·
Replies
2
Views
2K
Graduate LTI Impulse Response Estimation with Point Process Input
  • · Replies 1 ·
Replies
1
Views
2K
MHB Number patterns and sequences - Tn Term
  • · Replies 1 ·
Replies
1
Views
2K
High School Is this method of estimating Pi too similar to Archimedes' method?
  • · Replies 13 ·
Replies
13
Views
2K
Undergrad Why Does the Polar Moment of Inertia Use r^2 in Its Formula?
  • · Replies 3 ·
Replies
3
Views
2K
MHB Physics 12u - Two masses Spinning on a disc
  • · Replies 9 ·
Replies
9
Views
3K
Undergrad How is this product of terms calculated?
  • · Replies 2 ·
Replies
2
Views
1K
MHB Possible combinations for six digit license plates, numbers 0-9 and letters a-z.
  • · Replies 1 ·
Replies
1
Views
6K
Undergrad Normalized Angular Rotation/Position Equations?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate How Are Stieltjes Polynomials Related to Legendre Polynomials?
  • · Replies 12 ·
Replies
12
Views
2K
High School What is the general formula for solving polynomial series?
  • · Replies 10 ·
Replies
10
Views
12K
Undergrad How can John reduce his debt by paying into a joint account with Kelly?
  • · Replies 3 ·
Replies
3
Views
1K
Undergrad Prime factorization and real exponents
  • · Replies 3 ·
Replies
3
Views
1K
High School Average Daily Balance for 2 consecutive months
  • · Replies 6 ·
Replies
6
Views
2K
MHB Find the scale factor of triangle ABC to triangle DEF
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Finding an infinitesimal limit function
  • · Replies 6 ·
Replies
6
Views
1K
Undergrad How to plot (x^2-5)^2+y^2=16 without a calculator?
  • · Replies 1 ·
Replies
1
Views
1K
MHB What are the factors of -48 that result in a positive sum?
  • · Replies 2 ·
Replies
2
Views
2K
High School Existence of parallels in axiomatic plane geometries
  • · Replies 36 ·
2
Replies
36
Views
6K
High School Aren't There Any Formulas for Prime Numbers?
  • · Replies 7 ·
Replies
7
Views
2K
MHB What is the number below 25 in this sequence?
  • · Replies 2 ·
Replies
2
Views
1K
Undergrad Can Turbulent Flow Be Predicted?
  • · Replies 3 ·
Replies
3
Views
2K
MHB How long will it take 4 people to decorate a house
  • · Replies 3 ·
Replies
3
Views
2K
MHB Average Rate Of Change Formula
  • · Replies 2 ·
Replies
2
Views
2K
MHB How Do I Find the Area of a Triangle with Non-Intersecting Vertices?
  • · Replies 3 ·
Replies
3
Views
2K
High School Quick question about this inequality
  • · Replies 2 ·
Replies
2
Views
1K
High School Something like an inverse Zeno's paradox
  • · Replies 11 ·
Replies
11
Views
2K
MHB Gre Al 3 Exponents | Physics Forums
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad The Fundamental Theorem of Arithmetic and Rational Numbers
  • · Replies 6 ·
Replies
6
Views
2K
High School Is there a simple way to graph this transcendental expression with pi?
  • · Replies 4 ·
Replies
4
Views
2K
High School Obtaining a Future Numbers Increase With Exponent From Past Increase
  • · Replies 8 ·
Replies
8
Views
1K
High School Can someone answer this doubt I have on Set theory?
  • · Replies 2 ·
Replies
2
Views
1K
MHB Jack and Jane: Same Height, Different Growth
  • · Replies 2 ·
Replies
2
Views
2K