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
What is the Proof of Differentiation for nx^n-1?
  • · Replies 29 ·
Replies
29
Views
11K
Ank pays 5% simple interest on money deposited
  • · Replies 1 ·
Replies
1
Views
2K
Properties of Roots of Real Numbers
  • · Replies 2 ·
Replies
2
Views
10K
Proof of calculating area and volume
  • · Replies 31 ·
2
Replies
31
Views
10K
Quaternionic powers of quaternions?
  • · Replies 15 ·
Replies
15
Views
4K
Why do the 3 medians of a triangle create 6 similar triangles with equal area?
  • · Replies 5 ·
Replies
5
Views
7K
Noob needs help for math/MS Excel formula
  • · Replies 17 ·
Replies
17
Views
6K
Angles in a Circle: Are They Equal?
  • · Replies 1 ·
Replies
1
Views
2K
1/7 in decimal form is .142857
  • · Replies 5 ·
Replies
5
Views
4K
Solving the Multivariable Proof: A+C/B+D < E+G/F+H
  • · Replies 2 ·
Replies
2
Views
2K
Solving f'(x) = 0 at x=1 with a+b=0
  • · Replies 3 ·
Replies
3
Views
2K
Is a Circle Considered a Function?
  • · Replies 10 ·
Replies
10
Views
58K
Why does commutivity of real numbers exist for multiplication
  • · Replies 3 ·
Replies
3
Views
2K
Solving 10 Sin x = -x: Tips & Ideas
  • · Replies 7 ·
Replies
7
Views
2K
Estimating Square Roots and the Role of Calculators
  • · Replies 11 ·
Replies
11
Views
6K
Prove (lim n -> infinity) (1 + 1/n)^n = e
  • · Replies 5 ·
Replies
5
Views
22K
Entropy of Sets: What It Is & How to Calculate
  • · Replies 1 ·
Replies
1
Views
3K
Try solving this log equation using algebra
  • · Replies 2 ·
Replies
2
Views
3K
Understanding Arithmetic and Geometric Sequences: Finding the 10th Term
  • · Replies 21 ·
Replies
21
Views
5K
Find the Largest Cube Volume on n x n Paper
  • · Replies 3 ·
Replies
3
Views
43K
Can I Simplify This Algebraic Expression by Canceling Out the h?
  • · Replies 2 ·
Replies
2
Views
3K
Compute the last digit of 2^2004
  • · Replies 9 ·
Replies
9
Views
3K
Solving trignometric simultaneous equations
  • · Replies 1 ·
Replies
1
Views
3K
Expand & Simplify Binomial (1 + $\sqrt\frac{2}{n-1}$)^n
  • · Replies 7 ·
Replies
7
Views
6K
Finding Length of Line Traced by f(x)
  • · Replies 3 ·
Replies
3
Views
2K
Competition that i need to pass
  • · Replies 5 ·
Replies
5
Views
2K
Is it Time to Ditch Graphing Calculators?
  • · Replies 11 ·
Replies
11
Views
11K
Length of Line between 2 Points on Circle
  • · Replies 7 ·
Replies
7
Views
4K
Maximum Sum from $\frac{1}{p} + \frac{1}{q} + \frac{1}{r}: Help Needed!
  • · Replies 12 ·
Replies
12
Views
7K
Please help: How do you find the peremeter of an oval
  • · Replies 11 ·
Replies
11
Views
3K
How Do I Solve Trigonometric Equations Using a Graphic Calculator?
  • · Replies 5 ·
Replies
5
Views
6K
Maximum number of chess pieces remaining after a draw
  • · Replies 7 ·
Replies
7
Views
4K
Subtract or multiply by a number
  • · Replies 8 ·
Replies
8
Views
3K
Summing an Infinite Series: Can We Prove Divergence?
  • · Replies 4 ·
Replies
4
Views
2K
Understanding Differential Geometry in Thermodynamics
  • · Replies 12 ·
Replies
12
Views
3K
How Many Ways to Arrange Marbles in a 6x6 Grid Without Color Repetition?
  • · Replies 1 ·
Replies
1
Views
5K
Solve Math Puzzle: 6 Men + Wives Sitting in a Circle
  • · Replies 2 ·
Replies
2
Views
2K
What is the Connection Between \(\theta\) and Trigonometric Function Outputs?
  • · Replies 2 ·
Replies
2
Views
3K
Factoring irrational equations
  • · Replies 5 ·
Replies
5
Views
16K
What are Imaginary Numbers used for in mathematics?
  • · Replies 4 ·
Replies
4
Views
10K
Can Modern Calculators Solve (8^2003 + 6^2003) / 49?
  • · Replies 6 ·
Replies
6
Views
18K
Help! I'm Struggling with Graph Theory Exam!
  • · Replies 3 ·
Replies
3
Views
2K
The next time I hear .9~ isn't 1 I'm
  • · Replies 23 ·
Replies
23
Views
4K
Trigonometry Question from a Math Contest
  • · Replies 12 ·
Replies
12
Views
5K
Can pi or e ever be rational in a different number system?
  • · Replies 19 ·
Replies
19
Views
5K
Help With Correspondence Course: Factored Form Equation for Family of Functions
  • · Replies 2 ·
Replies
2
Views
2K
Calculating 3^0.2 without using a calculator?
  • · Replies 32 ·
2
Replies
32
Views
37K
Need a Good Multivariable Calculus Site
  • · Replies 14 ·
Replies
14
Views
4K
Solve Equation y=3o(x)4: Inverse o() & 4D Graphs
  • · Replies 9 ·
Replies
9
Views
3K
How do boolean expressions relate to algebra?
  • · Replies 6 ·
Replies
6
Views
8K
Where did trig functions come from?
  • · Replies 4 ·
Replies
4
Views
10K
Solve Quadratic Equations: Formula & Factoring
  • · Replies 10 ·
Replies
10
Views
4K
Are My Math Solutions Correct?
  • · Replies 3 ·
Replies
3
Views
2K
1+1=2: Is There a Proof or Acceptance?
  • · Replies 34 ·
2
Replies
34
Views
43K
How Many Configurations Does a 2x2 Rubik's Cube Have?
  • · Replies 8 ·
Replies
8
Views
4K
Determine whether f is even, odd, or neither?
  • · Replies 4 ·
Replies
4
Views
25K
How Do You Solve Absolute Value and Quadratic Inequalities?
  • · Replies 2 ·
Replies
2
Views
2K
How Does Shifting Affect the Function f(x)?
  • · Replies 2 ·
Replies
2
Views
2K
What is the result of raising 0.9i to the second power?
  • · Replies 6 ·
Replies
6
Views
2K
What is the Completeness Axiom?
  • · Replies 12 ·
Replies
12
Views
12K
Is There Always a Real Number Between Two Arbitrary Real Numbers?
  • · Replies 3 ·
Replies
3
Views
3K
Help with grade 12 Trignometry project
  • · Replies 17 ·
Replies
17
Views
6K
Question regarding Binomial expansion.
  • · Replies 2 ·
Replies
2
Views
2K
Question about Binomial expansion.
  • · Replies 3 ·
Replies
3
Views
2K
Where should I start with advanced mathematics during my holiday break?
  • · Replies 2 ·
Replies
2
Views
2K
Question about sum of integer involving factorial notation
  • · Replies 1 ·
Replies
1
Views
4K
Wondering exactly what sine is.
  • · Replies 4 ·
Replies
4
Views
3K
Solve Percentage Math Problems with Expert Homework Help | Aprao
  • · Replies 6 ·
Replies
6
Views
2K
How Do You Calculate the Principal from Simple Interest?
  • · Replies 1 ·
Replies
1
Views
2K
Answer Time & Distance: Thief and Policeman Catch Up
  • · Replies 1 ·
Replies
1
Views
3K
Proving det(A) = lambda_1 * lambda_2 * ... * lambda_n for Eigenvalue A
  • · Replies 7 ·
Replies
7
Views
3K
Integer value of the longest possible side of a triangle
  • · Replies 1 ·
Replies
1
Views
3K
Alhazen's Billard Problem: Solving a Geometric Puzzle with Algebra
  • · Replies 7 ·
Replies
7
Views
6K
Can someone please explain to me what topology is?
  • · Replies 21 ·
Replies
21
Views
4K
Is 1 Considered a Prime Number?
  • · Replies 9 ·
Replies
9
Views
2K
What is formula for the surface area of a dome?
  • · Replies 17 ·
Replies
17
Views
54K
How does the elimination method work for solving simultaneous equations?
  • · Replies 9 ·
Replies
9
Views
7K
Calculating Probability of Winning a Case - 60% & 70% Chances
  • · Replies 10 ·
Replies
10
Views
6K
Infinite and improper integral help.
  • · Replies 8 ·
Replies
8
Views
4K
What does the product of two cosine functions represent in terms of angles?
  • · Replies 5 ·
Replies
5
Views
2K
Asking for a value of trigonometri
  • · Replies 3 ·
Replies
3
Views
2K
Hold'em poker hands simulation
  • · Replies 11 ·
Replies
11
Views
3K
Unravelling Surface Area of a Dome
  • · Replies 2 ·
Replies
2
Views
5K
How can I solve this system of algebraic equations?
  • · Replies 18 ·
Replies
18
Views
3K
Solving the Equation: 8n^2 = 64 n lg(n) with Step-by-Step Guide
  • · Replies 4 ·
Replies
4
Views
6K
How is the quadratic formula derived and why is it not always applicable?
  • · Replies 16 ·
Replies
16
Views
4K
Why Is the Center of a Circle Represented as (h,k) in Its Equation?
  • · Replies 6 ·
Replies
6
Views
6K
What is the difference between arcsin and inverse sin?
  • · Replies 2 ·
Replies
2
Views
88K
Different between integrals and Einstein summation?
  • · Replies 8 ·
Replies
8
Views
3K
Find the path traced out by each ant
  • · Replies 7 ·
Replies
7
Views
3K
When will the walking boy reach school?
  • · Replies 2 ·
Replies
2
Views
2K
What Are the Best Sources and Theories on Complex Numbers?
  • · Replies 18 ·
Replies
18
Views
4K
Geometric formulas of linear perspective
  • · Replies 1 ·
Replies
1
Views
7K
Max Number of Boxes in a Container - Deriving the Formula
  • · Replies 2 ·
Replies
2
Views
2K
Algebra 2: Understanding Tangent of 270 Degrees
  • · Replies 3 ·
Replies
3
Views
2K
Anybody can tell me how to find y1 , y2 , angle 1
  • · Replies 3 ·
Replies
3
Views
2K
Zeta function = vacuum Background?
  • · Replies 2 ·
Replies
2
Views
2K
Are there other non-integrable functions besides x^x?
  • · Replies 3 ·
Replies
3
Views
7K
Can Mathematics Prove the Need for Ethics and Unity Among Elites?
  • · Replies 3 ·
Replies
3
Views
4K
Uncovering the Mystery of Numbers Divisible by 7
  • · Replies 33 ·
2
Replies
33
Views
10K