Calculus and Beyond Homework Help Forum

Free calculus and beyond homework help via qualified mentors. Math courses from calculus on-wards homework. Please use the template when requesting help and show your work.

Threads

Solving the diffusion equation with boundary conditions

  • sarahisme
  • · Replies 7 ·
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7

Proving the Identity: gcd(a, lcm(b,c))

  • Dragonfall
  • · Replies 2 ·
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2

Where to find differential geometry notes with diagrams

  • Nusc
  • · Replies 7 ·
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7

Sums on steep diagonals in a square of consecutive integers

  • omega16
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3

Help with Stewart's Calculus fifth edition problem 40

  • laminar
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1

Proving lim sup Un ≤ lim sup Vn when Un ≤ Vn

  • barksdalemc
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4

Solving Integral Using Integration by Parts

  • Frillth
  • · Replies 2 ·
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2

Expand Denominator of $\frac{x^3}{e^x-1}$ as Power Series

  • pivoxa15
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8

Is the Identity Function between Topologies Continuous?

  • ak416
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2

Proving properties of f(x+y)=f(x)f(y) and f(xy)=f(x)+f(y)

  • MathematicalPhysicist
  • · Replies 14 ·
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14

Test Stokes' Theorem for the function

  • stunner5000pt
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1

How to Integrate arccos x by Parts?

  • Chadlee88
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4
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5

Is |sin u - sin v| ≤ |u - v| for all u and v?

  • relinquished™
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1

Integrating e^x /x using Laurent series

  • pivoxa15
  • · Replies 2 ·
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2

How to solve an integration problem involving exponential functions?

  • stunner5000pt
  • · Replies 1 ·
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1

Solving the Wave Equation PDE: A General Solution Approach

  • sarahisme
  • · Replies 3 ·
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3

Show something's a homomorphism

  • Nusc
  • · Replies 1 ·
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1

Is there a mistake in the proof for G being isomorphic to R(theta)?

  • Nusc
  • · Replies 4 ·
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4

Computing the integral of sqrt(1-cost)

  • quasar987
  • · Replies 3 ·
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3

Is f Differentiable? - Vector Calculus

  • Lancen
  • · Replies 3 ·
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3
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2

Genius guys can u solve this Fourier series problem

  • installer2001
  • · Replies 6 ·
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6

Factoring - Can this be reduces

  • rad0786
  • · Replies 1 ·
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1

Setting up initial value problem

  • fishys182
  • · Replies 1 ·
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1

What method solves (t³y²)dt + (t⁴y⁻⁶)dy = 0?

  • Dao Tuat
  • · Replies 6 ·
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6

About Singular and Symmetric Matrix

  • jack1234
  • · Replies 3 ·
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3

How are rows of EM related to rows of M for this elementary matrix E?

  • EvLer
  • · Replies 1 ·
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1

Finding L(c) when c(t) = t^2cos(t).i + t^2sin(t).j + 2t.k

  • Rozenwyn
  • · Replies 2 ·
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2

Diagonalizing a Hermitian Matrix: A

  • pivoxa15
  • · Replies 4 ·
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4
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6

Problem concerning permutation groups

  • wurth_skidder_23
  • · Replies 8 ·
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8

How Do You Scale a Unit Vector to a Different Length?

  • wtee85
  • · Replies 9 ·
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9

Solve Double Integration: \int\frac{x^2-y^2}{(x^2+y^2)^2}dx

  • sadris
  • · Replies 7 ·
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7

Trifunction Derivatives problem

  • cracker
  • · Replies 2 ·
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2
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2
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2

Solving Equations: Perpendicular Lines and Planes in 3D Space

  • mohdfasieh
  • · Replies 3 ·
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3

Egyptian Fracs: Algorithm for Minimizing Terms/Denominator

  • Dragonfall
  • · Replies 4 ·
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4

Finding the period for a Fourier series of f(t)=t on (0,π)

  • pivoxa15
  • · Replies 12 ·
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12

Integration by Parts/Differential Equation

  • courtrigrad
  • · Replies 2 ·
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2

Show Convergence of Sequence of Continuous Functions to an F-sigma Delta Set

  • steven2006
  • · Replies 1 ·
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1

How can I find the derivative of f(x) in terms of f(x)?

  • nealh149
  • · Replies 3 ·
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3
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3

How to Identify Functions in Problems Involving Two Curves

  • NIZBIT
  • · Replies 6 ·
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6

Proving a+br is Irrational Using Proof by Contradiction

  • mr_coffee
  • · Replies 2 ·
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2

Find an Orthonormal Basis for Linear Algebra A

  • Bob
  • · Replies 2 ·
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2

Urgend Assistance needed: Abstract Algebra

  • Hummingbird25
  • · Replies 2 ·
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2

Distributivity Concern With Ordinals

  • Oxymoron
  • · Replies 14 ·
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14

Convert to Parametric Equation of surface?

  • Tom McCurdy
  • · Replies 6 ·
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6

What is the standard form of a polynomial function with given roots and degree?

  • thomasrules
  • · Replies 6 ·
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6

Calculate Dimensions of Box SpongeBob Square Pants to Make Volume > 100cm^3

  • thomasrules
  • · Replies 13 ·
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13

Writing a polynomial with zeros at -1 and 1+4i

  • Sashman15
  • · Replies 9 ·
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9

Differential equation partial fractions

  • courtrigrad
  • · Replies 2 ·
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2
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1
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1

Proving n²−n+3 is odd using quotient remainder theorem

  • mr_coffee
  • · Replies 13 ·
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13

Question on writing summations in expanded form

  • mr_coffee
  • · Replies 2 ·
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2

Problem with easy diffrential equation

  • TheNaturalStep
  • · Replies 2 ·
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2

How Do Parallel Line Proofs Determine Interior Angles in a Triangle?

  • msimard8
  • · Replies 1 ·
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1

Find k for Tangent Line of f(x) = x^2 - kx

  • bubbles
  • · Replies 5 ·
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5

Which Subspaces of the Vector Space of Real Valued Functions Are Valid?

  • VinnyCee
  • · Replies 14 ·
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14

Vector problem on trisection of diagonal and canal swimmer kinematics

  • ngkamsengpeter
  • · Replies 1 ·
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1

LINEAR ALGEBRA: Consider 2X2 Matrices - What are the subspaces?

  • VinnyCee
  • · Replies 10 ·
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10

Improper integral of x/√(1+x⁶) from 1 to infinity

  • Song
  • · Replies 13 ·
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13
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6

What dimensions give a volume of 12 cm cubed for a given cubic equation?

  • thomasrules
  • · Replies 18 ·
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18
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3

Prove that y=2x-1 and y=x^4+3x^2+2x don't intersect

  • msimard8
  • · Replies 5 ·
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5

Distance equations for different cord. systems

  • aquabug918
  • · Replies 3 ·
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3

Is A_{i.j} - A_{j.i} a Tensor Under Non-Linear Transformations?

  • JohanL
  • · Replies 3 ·
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3

Very quick probability verification

  • quasar987
  • · Replies 4 ·
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4

Finding a and b for continuity with arcsin(tan x/tan xo)

  • Kristal
  • · Replies 4 ·
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4

Understanding Limits: Delta-Epsilon Proof Practice Problems and Solutions

  • the_quack
  • · Replies 2 ·
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2

For x∈R^n define g:R->R by g(t)=f(tx) g'(t)?

  • precondition
  • · Replies 1 ·
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1

Probability Questions and others ?

  • ngkamsengpeter
  • · Replies 6 ·
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6

Proof of Minkowski Inequality using Cauchy Shwarz

  • barksdalemc
  • · Replies 2 ·
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2

Use calculus to find the slope of the tangent line

  • Rawr
  • · Replies 10 ·
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10

Partial derivatives of r and θ with respect to x and y

  • end3r7
  • · Replies 6 ·
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6

Determine the minimum using the second derivative

  • ranger1716
  • · Replies 3 ·
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3

What Is the Correct Numerator for Summation with Variable X Sub k?

  • barksdalemc
  • · Replies 3 ·
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3

Understanding Dot Product: Is v=w in Vectors?

  • sjmacewan
  • · Replies 4 ·
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4

Proving Cauchy-Schwarz inequality using AM-GM

  • barksdalemc
  • · Replies 1 ·
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1

Find the inverse of a 3×3 matrix with trigonometric entries

  • Reshma
  • · Replies 2 ·
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2

Finding the Limit of g(x) and r(x) as x Approaches a Specific Value

  • jessyca_lynne
  • · Replies 5 ·
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5

Intersection of cosets is empty or a coset

  • Dragonfall
  • · Replies 2 ·
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2

Number of Partitions of equal length (of a set)

  • mattmns
  • · Replies 2 ·
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2

Why is the Cantor set uncountable if it has no intervals?

  • barksdalemc
  • · Replies 7 ·
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7

Is cos(πn²/8) periodic and what is its fundamental period?

  • DivGradCurl
  • · Replies 1 ·
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1

Probability problem (throwing a coin n times)

  • quasar987
  • · Replies 6 ·
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6

What is the definition of S^2?

  • Nusc
  • · Replies 1 ·
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1

Finding limits of (9-t)/(3-√t) and (x²-81)/(√x-3)

  • ocean09
  • · Replies 3 ·
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3
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7

Trying to prove by Contradiction, but need to make sure negation is correct

  • mr_coffee
  • · Replies 2 ·
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2

Leaping Frog Game: Investigating # of Moves for n & m Frogs

  • Natasha1
  • · Replies 3 ·
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3

Calculating Arc Length for Given Equation with Integration Method

  • courtrigrad
  • · Replies 1 ·
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1

Cantor set and Base 3 expansion

  • barksdalemc
  • · Replies 2 ·
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2

Closed Intervals of R: Uncountable Collection Example

  • barksdalemc
  • · Replies 3 ·
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3

(Intro to Statistics) A game consists of rolling a pair of dice

  • Tasaio
  • · Replies 4 ·
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4

When does the floor of a real number equal that number?

  • mr_coffee
  • · Replies 2 ·
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2