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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Solving Trig Identity: Sin[1/2 sin^−1 (x)] = 1/2 X (sqr(1+x) –sqr(1-x))
- DUC_123
- · Replies 2 ·
Proof of Inequality: $|a+b| \leq |a| + |b|$
- solakis1
- · Replies 8 ·
Counting Multiples of 2012 in Combination Numbers
- anemone
- · Replies 1 ·
Calculating Distance Traveled: Solving for the Unknown in a Multi-Unit Problem
- s9d00ap
- · Replies 2 ·
Expanding brackets to obtain four factors from a single expression
- Maggie_s2020
- · Replies 2 ·
High School Reconciling different ways to define an ellipse
- DaveC426913
- · Replies 12 ·
Angle at Y-axis Crossing of y=sin(1/x) Graph
- wheepep
- · Replies 1 ·
High School Why do we call function a Rule
- SHASHWAT PRATAP SING
- · Replies 7 ·
Act.al.4 What is the 50th term
- karush
- · Replies 3 ·
Graduate Ramanujan Summation, Variations of
- the_pulp
- · Replies 7 ·
Undergrad Proving an identity for a free variable
- Arman777
- · Replies 10 ·
High School What do round brackets mean in function notation f(x)?
- SHASHWAT PRATAP SING
- · Replies 12 ·
Gre.al.12 transformationof a function
- karush
- · Replies 2 ·
How Does Modifying Numerator and Denominator Affect the Value of a Fraction?
- emon2001
- · Replies 2 ·
High School What is the meaning of 'exp' in this math expression?
- ShawnD
- · Replies 3 ·
How to learn math quickly before an exam
- AnnaGreece
- · Replies 3 ·
Find Polynomials Fulfilling Real Coefficient Equation
- anemone
- · Replies 1 ·
-act.63 cost per game with season pass
- karush
- · Replies 2 ·
For j >1 the first 2^j digits are correct
- mathmari
- · Replies 4 ·
Find a cubic polynomial whose roots are squares of roots of P(x)=x³+9x²+9x+9
- anemone
- · Replies 5 ·
For which values of a can we solve it iteratively?
- mathmari
- · Replies 10 ·
Undergrad What type is a polynomial function?
- iteratee
- · Replies 7 ·
Orthonormal basis for the poynomials of degree maximum 2
- mathmari
- · Replies 2 ·
High School Why Euler spoke of them as "complex" numbers?
- mcastillo356
- · Replies 19 ·
Prove 9999999+1999000 is Composite Number
- anemone
- · Replies 1 ·
Undergrad Using recurrence formula to solve Legendre polynomial integral
- TheGreatDeadOne
- · Replies 3 ·
Similar triangles problem from GRE exam
- karush
- · Replies 3 ·
How to solve sqrt(x + 15) + sqrt(x) = 15 ?
- richp123
- · Replies 11 ·
Can You Meet the Sine Function Challenge?
- anemone
- · Replies 1 ·
Find a,b,c,d for Max $a+b-c+d$
- anemone
- · Replies 1 ·
High School Why are imaginary numbers called "imaginary"? If they really exist
- SHASHWAT PRATAP SING
- · Replies 8 ·
Min Value of $\dfrac{a+3c}{a+2b+c}$+$\dfrac{4b}{a+b+2c}$+$\dfrac{8c}{a+b+3c}$
- anemone
- · Replies 1 ·
Determine its image point after the transformation
- Azurin
- · Replies 3 ·
Does Q have at least one element that is not in P?Which quantity is greater?
- karush
- · Replies 1 ·
Finding $k$ for 2 Non-Negative Roots of $x^2-2x\lfloor x \rfloor +x-k=0$
- anemone
- · Replies 2 ·
Real Roots of Cubic Equation: $x^3+a^3x^2+b^3x+c^3=0$
- anemone
- · Replies 1 ·
Roots of Cubic Equation: Finding $x_1,\,x_2$, and $x_3$
- anemone
- · Replies 1 ·
Proving uniqueness of cubic spline interpolation with endpoint conditions
- mathmari
- · Replies 11 ·
-gre.qu.10 quantity on 2 means
- karush
- · Replies 2 ·
High School When is -(a-b)^n equal to (b-a)^n?
- greg_rack
- · Replies 8 ·
How to cook the perfect steak
- slwarrior64
- · Replies 2 ·
High School Is 0^0 indefinite in Von Neuman Entropy?
- anuttarasammyak
- · Replies 5 ·
High School What does the absolute value symbol mean for complex numbers?
- mcastillo356
- · Replies 12 ·
What are the values of n and k in n+8=2^k when n!+8 = 2^k?
- kaliprasad
- · Replies 8 ·
Min Value of $a^2+b^2$ in Quadratic Equation
- anemone
- · Replies 1 ·
Undergrad Solving congruences and diophantine equations in number theory
- trees and plants
- · Replies 3 ·
Prove Triangle Inequality: $\sqrt{2}\sin A-2\sin B+\sin C=0$
- anemone
- · Replies 2 ·
Sum of three numbers where the second is 5 more than the first
- adridgarcia
- · Replies 3 ·
Prove $\sqrt{a}+\sqrt{b}+\sqrt{c}+\sqrt{d}\le 10$ w/ $a,b,c,d>0$
- anemone
- · Replies 5 ·
What are some questions about thermodynamics and their potential answers?
- WMDhamnekar
- · Replies 3 ·
Can Exponent Values Be Determined with One Equation and Two Variables?
- karush
- · Replies 4 ·
Prove Centroid Goes Through It
- slwarrior64
- · Replies 1 ·
Undergrad Making, testing and proving conjectures
- trees and plants
- · Replies 9 ·
-gre.ge.2 distance by similiar triangles
- karush
- · Replies 2 ·
Centripetal acceleration of viking ship in the amusement park.
- WMDhamnekar
- · Replies 10 ·
Graduate Partition function in number theory and statistical mechanics
- qnach
- · Replies 1 ·
Prove Divisibility: $(x-y)^2+(y-z)^2+(z-x)^2=xyz$ yields $x^3+y^3+z^3$
- anemone
- · Replies 1 ·
Centripetal acceleration and force on swing at 9 m/s
- WMDhamnekar
- · Replies 3 ·
Solve System of 2 Variables: $x^5+y^5=33,\,x+y=3$
- anemone
- · Replies 3 ·
Convexity and inequality constraints in ax + by³ optimization
- user_01
- · Replies 2 ·
Lattice energy, hydration energy, solution energy
- WMDhamnekar
- · Replies 1 ·
How can the perpendicular diagonals of a triangle help prove HCD?
- slwarrior64
- · Replies 10 ·
Prove Similar Triangles: $\sqrt{aa_1}+\sqrt{bb_1}+\sqrt{cc_1}$
- anemone
- · Replies 1 ·
Polynomial with integer coefficients
- anemone
- · Replies 1 ·
Finding the perfect vacation spot
- slwarrior64
- · Replies 2 ·
Undergrad Finding the Velocity of an object due to an imparted force
- Physics quest
- · Replies 15 ·
Prove that a/(∛(4b³+4c³)) + c/(∛(4a³+4b³)) + b/(∛(4c³+4a³)) < 2
- anemone
- · Replies 1 ·
Undergrad Plotting polar equations and scale invariance
- fog37
- · Replies 7 ·
What is the Trigonometric Inequality for $0<x<\dfrac{\pi}{2}$?
- anemone
- · Replies 1 ·
High School Is there a formula to get x in Excel without using solver: 0.5^x+0.2^x+0.25^x=1
- The Investor
- · Replies 3 ·
Undergrad Simplest self-contained numeral system for complex numbers?
- cuallito
- · Replies 8 ·
High School The Importance of Geometry in one's Mathematical Foundation
- Chandller
- · Replies 10 ·
How do you solve rational inequalities?
- Achi_kun
- · Replies 4 ·
Prove Inequality: $\sqrt{ab}+\sqrt{cd}\le \sqrt{(a+d)(b+c)}$
- anemone
- · Replies 1 ·
Calculus homework help
- ADV1_
- · Replies 1 ·
Positive Integers: Evaluate $a+b+c$
- anemone
- · Replies 1 ·
Can You Divide the Functions $P(t)$ and $N(t)$ to Simplify?
- Achi_kun
- · Replies 1 ·
Is the Given Answer for the Classical Mechanics Problem on Earth Correct?
- WMDhamnekar
- · Replies 3 ·
How to prove triangle ACB is congruent to triangle CED
- slwarrior64
- · Replies 1 ·
Prove Simultaneous Equations: $a+b+c+d \ne 0$
- anemone
- · Replies 2 ·
High School Tesseract Dimensions: Inner Cube vs Outer Cube
- LightningInAJar
- · Replies 3 ·
How to find reliable math help online
- Achi_kun
- · Replies 1 ·
Direct solution for two unknowns in two equations
- IanfromBristol
- · Replies 2 ·
Finding $a$ and $b$ for $f(x)=|\lg (x+1)|$
- anemone
- · Replies 3 ·
Largest Number Game - Start at 1!
- AndreasC
- · Replies 43 ·
How to compute the energy needed to compress the water isothermally?
- WMDhamnekar
- · Replies 1 ·
Undergrad What are all the positive integers that satisfy this equation?
- donglepuss
- · Replies 1 ·
Is $p\equiv 3\pmod{4}$ a condition for $\pi$ to be an even permutation?
- MountEvariste
- · Replies 1 ·
Undergrad Intersection of a 4D line and a 3D polyhedron in 4D
- LCDF
- · Replies 3 ·
Maths in Temperature and ideal gas Thermometer
- WMDhamnekar
- · Replies 2 ·
Solve a Quadratic Equation with Vertex Form
- catwalk
- · Replies 6 ·
Is tan(x)^2 proper notation for the trig function tangent squared?
- xyz_1965
- · Replies 4 ·
Dstermine the equation of function
- Azurin
- · Replies 2 ·
Coulomb's Constant in electron energy formula.
- WMDhamnekar
- · Replies 1 ·
-gre.ge.11 x,y of fourth corner of diagonal
- karush
- · Replies 3 ·
Undergrad Number sets more general than reals with commutativity and order
- trees and plants
- · Replies 3 ·
Undergrad Isn't it terrifying that AI can become smarter than any Mathematician?
- Gjmdp
- · Replies 40 ·
Freezing point depression: rock salt with 1 kg of water for 14.7°C drop
- WMDhamnekar
- · Replies 6 ·
Math Problem: 10000-(2x300+4x700)÷2
- Lola20001
- · Replies 1 ·
High School Verifying trig identities.... what about when tan is undefined?
- srfriggen
- · Replies 2 ·