General Math Forum

Undergrad What is the Notation for Factorials?

Does this imply infinite twins?

High School Make & Share Your Fractals - Get Ideas & Inspiration Here

Graduate Does this imply infinite twin primes?

Undergrad Logic puzzle : Smallest number of prisoners required?

Proving Algebraic Identity: How to Simplify Complex Equations

Undergrad Why trigonometric ratios were defined for a unit circle

High School Can we say that a line is a particular case of a triangle

High School Finding Solutions for a Quadratic Equation with Two Variables

Rescaling asphalt mix percentages for new plant software

Prove Acute Triangle Inequality: $\sin 2\alpha \gt \sin 2\beta \gt \sin 2\gamma$

Cos (π/7) is a root to a cubic equation

Solve Integer Equation: 3x+5y=2xy-1

Solve Quadratic System for $(2x-1)(2y-1)$

High School What is the smallest n for a small inequality?

Undergrad Proving De Moivre's Theorem for Negative Numbers?

Geometry Challenge: Find $\angle BCD$ in Convex Quadrilateral

What Is the Temperature Coefficient of a Car Battery Resistor at 0 Degrees?

Heat Needed to Boil 237mL Water vs Starting Car

High School Another hats and prisoners puzzle

Mastering Factoring Polynomials: Solving Challenging Equations with Confidence

Equation for a distributiong force on a half cylinder

Graduate Finding the Angle Between Two Quaternions: A Simple Solution?

Why is the voltage in an ideal battery equal to that in an open circuit?

Undergrad Papers on 4D ball through 3D space

Algebra Challenge: Test Your Skills

Find the area of the metal plate

High School How to compare two huge numbers with nested exponentials?

Possible integer values for coefficients of cubic equation with given root

Factoring Polynomials: A Faster Way!

How do I prove a trigonometric inequality?

Prove Inequality for $a,\,b,\,c$: $9abc\ge7(ab+bc+ca)-2$

High School What Does the Unit m-3/2 Mean in the Hall Petch Equation?

What Is the Cubic Polynomial f(x) When 16a + 24b = 9?

Showing the Other Root of $4x^2+2x-1= 0$ Given $\alpha$

How Can I Find All Triples (a, b, c) in This Equation?

Undergrad Is long division for a non-polynomic function possible?

Undergrad Why degree measure of angles are further divided in min,sec

Undergrad What non-polynomial functions can be "factored"?

What Are the Real Solutions for This Equation?

Find Min of $\frac{a(x^2+y^2+z^2)+9xyz}{xy+yz+zx}$ for $x+y+z=1$

Resources for learning formula rearrangement

Insights Perfect Secrecy and the Unbreakable Cipher - Comments

High School Logarithm of Napier, constant "e"

High School How do you get cos{(a+b)}=cos{a}cos{b} - sin{a}sin{b}?

Solve for positive integer solutions

Undergrad Why Are Longitudinal Lines Perpendicular to the Equator?

Finding Integer Roots of $h+k=2016$

What Is the Transformation Test in Mathematics?

Undergrad Frequency of a constant function

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High School Test Yourself: The Married Problem - 80% Get Wrong?

Solve Quadratic Equation: 2E(S+Wn)2

Triangle Challenge: Evaluate $\cos \angle B$

Im back with change subject of formula

Solving 4^(x-5) = 7^(2x-1)

High School Consecutive integers, each relatively prime to some k

High School Volume Hypersphere: 4D Sphere Equation

High School What does this Change in Representing a Function mean?

Angle between two line segments of a cube.

Anatomy of piece-wise functions

High School Solving for b in C = sqrt(a^2 + b^2)

Undergrad Solve Car Talk's "Dollars and Envelopes" Riddle

High School Is there a specific way to pronounce subscripts in symbols?

[ASK] Height of an Icosahedron

Undergrad Calculate top of curve, and the time it takes to get there

Can This Trigonometric Inequality Be Proven for All Real Numbers?

Equal graphs polar and rectangular

Inequality: $(1+a)^7(1+b)^7(1+c)^7 > 7^7 a^4b^4c^4$

Which is Greater? $\cos(\cos 1))$ vs $\cos(\cos(\cos 1)))$

Expressing Vectors in x-y Coordinates & Calculating Magnitude & Direction

High School Reading Legendre's Elements of Geometry

Undergrad How can we use a base e system to count and represent numbers?

Maximizing the Expression with $a+b+c=2012$

High School Looking for internet famous math prob on dist law.

Solving Equation In The Set Of Natural Numbers

High School Imaginary number manipulations

Undergrad Creating a formula for the cost of pollution through time

Graduate Angle Trisection: Learn a New Solution Here!

Perfect Cube & Square: 5-Digit Number

Percentage question reall EASY for you.

Math Notation: How to explicitly specify the domain of a function symbolically?

Trigonometry mountain assessment problem

Undergrad What are the necessary trig functions for finding the rotation formula?

High School Quadratic term's relationships

Max Value of a: Positive Integer Solutions

Undergrad How to Define a Shape Based on Variables

Evaluating Sum Compute: n+1 Roots

High School Why Solve Quadratics? Practical Examples of Their Use

[ASK] Distance from the Upper Base to the Center of Dodecahedron

Need to know the official name of these type of fraction problems

Undergrad Is this a fair description of mathematics (in one sentence)?

Transposing y=7-2x to make x the subject

Undergrad What is Determinisitic Operations Research?

Undergrad Alternative Ways To Find The Remainder of A/B?

Undergrad Prove that A:B is greater than C:D?

Graduate Question about continued fraction representations