General Math Forum

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.

Threads

Graduate What is the "Book proof" of Euler's formula?

  • VKnopp
  • · Replies 3 ·
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3

Comparison of value between two fractions

  • anemone
  • · Replies 2 ·
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2

Graduate Variables definition in Euler's introduction to analysis

  • elliti123
  • · Replies 1 ·
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1

Prove that function is invertible

  • Nath1
  • · Replies 1 ·
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1

Prove Inequality: $m,n,k\in N$, $m>1,n>1$

  • Albert1
  • · Replies 2 ·
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2

Undergrad Linear Interpolation for Given Function

  • ForTheGreater
  • · Replies 2 ·
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2

Laws of Exponents: Understand What Your Textbook Is Saying

  • tmt1
  • · Replies 2 ·
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2

What Are Some Tricks To Calculate n^3?

  • susanto3311
  • · Replies 2 ·
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2

Finding the measure of Triangle ABC

  • Mizu
  • · Replies 4 ·
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4

Find the lengths of the sides of a triangle

  • anemone
  • · Replies 3 ·
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3

Graduate Understanding the Manipulation of Natural Logarithms

  • Sturk200
  • · Replies 6 ·
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6

Can You Solve This Challenging Number Theory Problem?

  • Albert1
  • · Replies 1 ·
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1

Undergrad Concentric circles and a certain curve's function

  • 24forChromium
  • · Replies 5 ·
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5

Calculate the area of a triangle knowing its 3 heights

  • loquetedigo
  • · Replies 2 ·
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2

Necessity of Hypotenuse-Leg Theorem

  • Tom555
  • · Replies 1 ·
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1

Undergrad Best way to represent a two-rounds election

  • Appiani
  • · Replies 11 ·
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11

Have you ever switched majors due to a craving for math?

  • HizzleT
  • · Replies 10 ·
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10

High School Problem understanding negative angles....

  • Dave Ritche
  • · Replies 9 ·
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9

Maxima and minima of a triangle

  • loquetedigo
  • · Replies 1 ·
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1

Mixing Teas for Profit: A 25% Return

  • splodge1
  • · Replies 2 ·
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2

How Do You Determine the Number of Toothpicks in a Stack of Squares?

  • Gurtejtaggar
  • · Replies 2 ·
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2

Calculating Ribbon Length for Decorating Cylindrical Flower Containers

  • vismayagn33
  • · Replies 2 ·
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2

Uncovering the Number of Pupils in Class 6A

  • wailingkoh
  • · Replies 2 ·
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2

Break-Even Point: Manufacturing Company Analysis

  • Victoriaa
  • · Replies 2 ·
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2

Finding All Possible $k$ for $b,k\in N$

  • Albert1
  • · Replies 3 ·
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3

What Is $\angle ADB$ in a Plane with Given Side Lengths?

  • Albert1
  • · Replies 2 ·
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2

Undergrad Ceiling and floor operators used for min max

  • quantum__2000
  • · Replies 4 ·
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4

High School How decimal division is explain in real life?

  • CollinsArg
  • · Replies 16 ·
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16

How to Prove 10m+n mod 11=0 for Natural Numbers m and n?

  • Albert1
  • · Replies 1 ·
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1

Undergrad How can I get θ out of this equation?

  • AHashemi
  • · Replies 19 ·
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19

Graduate Zebra chased by Crocodile problem for 16y exam

  • eldrick
  • · Replies 3 ·
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3
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1

High School Rearranging Equations where the term seems to cancel?

  • NovicePWizzard
  • · Replies 2 ·
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2

High School Want to talk about unit circle

  • Jessica01
  • · Replies 5 ·
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5

Sum of pqth Term in Arithmetic Progression

  • Doffy
  • · Replies 4 ·
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4

What Integer Values Satisfy the Equation xy^2=54 with Constraints?

  • chead9
  • · Replies 4 ·
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4

Finding the speed of the wind and an airplane in still air

  • mariasalto32
  • · Replies 2 ·
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2
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4

Undergrad How to Simplify a Non-Linear Equation: (x - 2)^3 = x^2(x - 6)

  • science_rules
  • · Replies 9 ·
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9

Undergrad Summing sinusoids of different frequency

  • funnyguy
  • · Replies 9 ·
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9

Undergrad This Proof is right about sums and limits?

  • MAGNIBORO
  • · Replies 8 ·
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8

Graduate Discrete Fourier series derivation

  • kidsasd987
  • · Replies 1 ·
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1
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4
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2

Dream Chalk (not a pipe dream anymore)

  • ArcanaNoir
  • · Replies 5 ·
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5

Undergrad Is the 4th Dimension More Than Just Time?

  • Jaami M.
  • · Replies 9 ·
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9

High School Is there a Development of "Average Algebra"?

  • WWGD
  • · Replies 7 ·
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7

Given a range value, find the correspoding domain value

  • sharkman1
  • · Replies 3 ·
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3

Is 7 the Answer to This Simple Riddle?

  • Yankel
  • · Replies 3 ·
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3

Help My 11th Grader Decode Assignment

  • kadylake
  • · Replies 7 ·
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7

High School Can a Christmas Tree have evenly spaced lights with no leftover string?

  • ckirmser
  • · Replies 4 ·
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4

Problem with cross multiplication

  • Trinley
  • · Replies 2 ·
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2

High School Doing Fractional Exponents on Basic Scientific Calculator

  • bballwaterboy
  • · Replies 3 ·
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3

High School Cos(-pi/4) & Sec(pi/4): What's the Difference?

  • ryanuser
  • · Replies 4 ·
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4

Can You Prove This Triangle Inequality Without A Hint?

  • anemone
  • · Replies 3 ·
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3

Finding Perfect Square Combinations: $m,n\in N$

  • Albert1
  • · Replies 3 ·
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3

Undergrad Finding the value of A and B (Another problem)

  • shayaan_musta
  • · Replies 27 ·
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27

Prime numbers proof by contradiction

  • tmt1
  • · Replies 1 ·
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1

Solve $x^4+4x^2+6=x$ for all Complex Numbers

  • anemone
  • · Replies 2 ·
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2

Graduate When to introduce absolute value in hyperbola expression?

  • Odious Suspect
  • · Replies 7 ·
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7

High School Definition of Principal Square Root?

  • bballwaterboy
  • · Replies 3 ·
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3

Show That $9$ Doesn't Divide $a^2-3$

  • tmt1
  • · Replies 1 ·
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1

High School I suck at Calculations, am I bad at Math?

  • Donello
  • · Replies 4 ·
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4

Undergrad Find the value of point A and B

  • shayaan_musta
  • · Replies 13 ·
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13

Prove Inequality Challenge for $a\in \Bbb{Z^+}$

  • anemone
  • · Replies 7 ·
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7

Find the Value of $a_{2008}$ in the Sequence

  • Albert1
  • · Replies 4 ·
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4

Find Perfect Square $m,n \in N$ with $m^2-4n$ & $n^2-4m$

  • Albert1
  • · Replies 5 ·
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5

Roots of Equation: y^3+6y^2+11y+6 & 12y+8

  • danny12345
  • · Replies 5 ·
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5

Graduate Can complex numbers, chaos theory, fractals, and power laws exist independently?

  • Justice Hunter
  • · Replies 3 ·
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3

Graduate How to solve a recursion relation with a constant using hints?

  • spaghetti3451
  • · Replies 3 ·
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3

Undergrad Solution for a polynomial system of three equations

  • Bruno Tolentino
  • · Replies 4 ·
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4

Solving for $2012x^2-2010y^2+2011x-2011y-2011$ with $x,y\in R$

  • Albert1
  • · Replies 1 ·
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1

Undergrad Finding a closed form expression given decimal approximation

  • fedaykin
  • · Replies 12 ·
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12

Can inequality be proven with positive real numbers and fractions?

  • anemone
  • · Replies 4 ·
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4

Graduate Relation between "widths" of non-paralleogram

  • julian
  • · Replies 5 ·
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5

Math nickname for the name "Khalil"?

  • bandicoot12
  • · Replies 2 ·
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2

All solutions to equation problem

  • tmt1
  • · Replies 1 ·
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1

Write a trigonometric expression as an algebraic expression

  • Taryn1
  • · Replies 2 ·
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2

Undergrad Solve exp(x)=x^4 with a Slide Rule

  • TheFerruccio
  • · Replies 5 ·
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5

Undergrad Definable relationships between 4 variables with 2 equations

  • Darren73
  • · Replies 2 ·
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2

Problem Chinese remainder Theorem

  • Julio1
  • · Replies 2 ·
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2
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3

Finding $\overline {AD} \times \overline {CD}$ in $\triangle APB$

  • Albert1
  • · Replies 3 ·
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3

Graduate Kronecker Delta in Legendre Series

  • PatsyTy
  • · Replies 4 ·
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4

Graduate AKS vs. Fermat Primality Tests

  • aikismos
  • · Replies 4 ·
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4

Comparison between x²+y²+z² and 1/x²+1/y²+1/z²

  • anemone
  • · Replies 2 ·
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2

What Is the Maximum Value of \(a\) in This Polynomial Inequality?

  • anemone
  • · Replies 2 ·
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2

Quotient remainder theorem problem.

  • tmt1
  • · Replies 3 ·
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3

Undergrad Where does the nomenclature "eigen" originate?

  • kostoglotov
  • · Replies 8 ·
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8

High School What Would Math be Like Without Zero?

  • Alanay
  • · Replies 44 ·
2
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44

Graduate Understanding Tristram Shandy's Argument About His Autobiography

  • thinkandmull
  • · Replies 1 ·
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1

Undergrad Binomial Coefficient Factorial Derivation

  • Odious Suspect
  • · Replies 5 ·
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5

Undergrad Number of ways in a 3D lattice

  • nickek
  • · Replies 5 ·
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5

What is the value of Angle BAD in a trapezoid with specific conditions?

  • Albert1
  • · Replies 2 ·
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2

Find Ratio of a:b When $1364+(a+b)=a\times b$

  • Albert1
  • · Replies 7 ·
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7

Undergrad Is This Simple Algorithm the Key to Finding the Next Largest Prime Number?

  • nocat2
  • · Replies 26 ·
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26

High School Difference Between an Equation and Function?

  • pandaexpress
  • · Replies 9 ·
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9

High School Eight-Letter Word Search: abcbabcb Pattern

  • DaveC426913
  • · Replies 26 ·
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26

Is This Trigonometric Identity Valid for All Values?

  • anemone
  • · Replies 2 ·
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2

Prove Inequality For $x,y,z>0$ When $xyz=1$

  • anemone
  • · Replies 6 ·
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6