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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.

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MHB Deriving the first and second order Newton-Cotes formulas

MHB Math Problem of the Week

POTW What Is the Infimum of This Set of Superior Limits?
B Area of a Circle in an Electron's Hydrogen Atom
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I Simple, almost "intuitive" conjecture, hard or impossible to solve?
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I Need help with tensors and group theory
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6
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MHB Can You Prove This Inequality Challenge?
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972
MHB Find the amount of sand in each bag
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915
MHB Finding $b(a+c)$ for Real Roots of $\sqrt{2014}x^3-4029x^2+2=0$
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999
MHB Find the diameter of one circle
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I What is meant by "convergent just preceding ##\frac{a}{b}##" ?
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I Area of a cylinder enclosing an ellipsoid
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I Find Angles in Right Angle Triangles
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I Understanding Lorentz Groups and some key subgroups
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MHB Find the total number of red and blue beads
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MHB How does temperature affect the length of a steel measuring tape?
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B A differential equation, or an identity?
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I Equivalence of two different definitions of quasicrystals
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961
MHB Inequality Challenge: Prove $x$ for $x>0$
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934
I What criteria identifies a math operation as a "product"?
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14
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MHB Number of multiplications and divisions for LU decomposition
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MHB What is the value of (a+b)^3+(b+c)^3+(c+a)^3 for the roots of 8x^3+1001x+2008=0?
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MHB Prove $\pi^e > 5^{1.9}$ Without Calculator
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B A covariant vs contravariant vector?
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MHB Couple of hard trig questions....
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MHB Probability: Find the number of ways to form 4-digit numbers >3000
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MHB Exponential functions (calculator exercise)
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I Reference For The Historical Context of Dedekind Cuts and Why the need
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MHB Are Critical Points and Roots Interchangeable in Math?
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3
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MHB Evaluate the constant in polynomial function
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7
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MHB Unsolved Challenge: Natural logarithm and Exponent
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893
MHB Can You Solve This Tricky Trigonometric Floor Function Equation?
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MHB Find the last digit of a series
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MHB Engineering Mechanics: car speeding up
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MHB Engineering Mechanics: depth of crater
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MHB Algebra word problem solve for x
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MHB Factorials and Exponent Challenge
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I An interesting point regarding critical points and extrema
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MHB Factorize 6(x^5+y^5+z^5)-5(x^2+y^2+z^2)(x^3+y^3+z^3)
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920
I Hamilton path and circuit rounded path problem
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10
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MHB Expected value and equality to sums
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4
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MHB Man on ladder wishes to avoid the ladder slipping
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I Need help developing a movement function for motor motion
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I The Ratio of Total Derivatives
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MHB Solving a Third-Degree Polynomial with Real Coefficients
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MHB Proving Equality of Angles in an Acute Triangle
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4
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962
MHB What is the probability that at least 5 was shown for 5 or more times?
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4
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B What Are the Sign Rules for Second Degree Functions?
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MHB When do the combined heights of two Ferris wheels reach 27.5m?
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3
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MHB Find Final Diameter of 30m Aluminum Bar (172MPa)
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MHB Find Solutions to a+b+c+d=4, a^2+b^2+c^2+d^2=6, a^3+b^3+c^3+d^3=94/9 in [0,2]
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2
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MHB Find real solutions to a system
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6
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955
MHB Such a decomposition exists iff A is positive definite
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13
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MHB Equation of Line in Second Quadrant with Area 4 and Differing Intercepts
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3
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MHB Finding the Length of a Dividing Line in a Trapezoid
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5
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MHB Find the average force required to hold the gun in position
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5
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Mathematical Name of this Space
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8
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MHB Quadratic equations intersaction point is minimum instead of roots
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MHB Compute the reaction in the front wheels
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964
B Algorithm for checking if a set of digits are all distinct
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25
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MHB Unsolved Challenge: Σ(cosAcosB)>√(cosAcosBcosC)
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783
MHB Find Integer Solutions for (A+3B)(5B+7C)(9C+11A)=1357911
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3
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882
MHB Find the maximum amount of the equal annual withdrawal
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B Electromotive force and trigonometry
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B How to dilute 91% alcohol to 70%?
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MHB Relationship between inner and outer radius of a two concentric circles
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MHB Find the Bearing from A to C & Angle B: Solve Here
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B Explore Nullarbor Plains: Walking North to Find the Track
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I Solving this system of equations in different ways
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MHB C Expected value for the total number of points awarded on any toss of coins
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6
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MHB -find probability it will rain both days
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MHB Communication in mathematics and physics
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MHB A quite delicious inequality problem
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MHB Parentheses and brackets: Evaluate 2³[1/4+4(36÷12)]
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6
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MHB Probability distribution: Estimate the size of the fox population
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2
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I Mixed topic : from FEM to analytical solution via limits?
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3
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MHB Maximize 2sinxcosx/[(1+sinx)(1+cosx)]
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2
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875
MHB In how many ways can Ben paint his apartment?
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4
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MHB Expected Value of Cup of Coffee in Flip a Lid Contest
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5
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MHB What is the value of $(a+c)(b+c)(a-d)(b-d)$ given specific roots?
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6
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A Nowhere diffferentable continuous function
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MHB Free online course in Algebraic Geometry by Ravi Vakil
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How would you define a mathematical space?
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MHB Solve x³+3xy²=-49 and x²-8xy+y²=8y-17x
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13
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What does it mean to "do mathematics"?
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I Is it possible to calculate this geometrical relationship between circles?
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MHB Unsolved Challenge: Trigonometric Identity
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825
MHB Find the points of intersection of a line and a circle
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2
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MHB Can you prove that Triangle $ABC$ is Isosceles?
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MHB Understanding Cubic Equation Formula for Polynomials of Degree Three
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MHB What is the probability that exactly 8 of them are over the age of 65
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MHB Acute angle of right triangles
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4
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MHB Derivative using the limit definition (without using L'Hospital's rule)
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MHB Is the Inequality 1/(log₂π)+1/(log₅π)>2 True? A Scientific Investigation
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MHB Prove $|q|>64$: Roots of $x^{12}-pqx+p^2=0$
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MHB Condition for A Quartic Equation to have a Real Root
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2
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851
MHB Testing Ackbach: Verifying Posting as a Registered User
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4
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MHB What are the best resources for solving trigonometric equations and identities?
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2
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I MathCan Numerical Observations Lead to a Simpler Proof of Fermat's Last Theorem?
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I Ω=0 and its magnitude for a unit pulse
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I Differentiating the Dot Product's Evil Twin
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B How Can I Reverse a Trigonometric Identity to Find Original Constants?
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I Extend Euler Product Convergence Over Primes: Basic Qs
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Mathematics

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