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

Differential Calculus variaton of parameters question

  • Ortix
  • · Replies 4 ·
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4

How to Solve Calculus Problems Quickly and Efficiently?

  • dth257
  • · Replies 8 ·
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8

Simple volume calculation problem (double integrals)

  • xio
  • · Replies 5 ·
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5

Proving Density of Dyadic Rationals in Q | Rational Numbers

  • cragar
  • · Replies 2 ·
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2

Proving Dedekind Infiniteness of Countable Sets | Solution Attempt

  • cragar
  • · Replies 1 ·
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1

Recurring relations solving differential equations

  • Huumah
  • · Replies 1 ·
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1

Finding a confidence interval.

  • Hiche
  • · Replies 1 ·
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1

A question about kernels and commutative rings

  • Artusartos
  • · Replies 1 ·
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1

Proof of already solved Hard Improper Definite Integral

  • Swimmingly!
  • · Replies 2 ·
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2

Fourier transform of the hyperbolic secant function

  • Marie_Curie
  • · Replies 5 ·
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5

Find numerical values (to 4 sig fig.) for a and b?

  • qablos
  • · Replies 1 ·
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1

Proving a matrix exponential determinant is a exponential trace

  • Demon117
  • · Replies 13 ·
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13

Algebraic/Matrix Manipulation (linear algebra)

  • boings
  • · Replies 4 ·
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4

Proving Vector Cross Product Properties in ℝ3?

  • Jow
  • · Replies 3 ·
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3

Proof about a function from the naturals.

  • cragar
  • · Replies 7 ·
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7
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5

A question about commutative rings and homomorphisms

  • Artusartos
  • · Replies 6 ·
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6

Convergence/divergence of complex series

  • freddyfish
  • · Replies 2 ·
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2

Doubt about two limits (short)

  • Felafel
  • · Replies 4 ·
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4

Prove these formulas for the distance between and a line/plane.

  • Jow
  • · Replies 7 ·
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7

Establishing a smooth differential structure on the ellipsoid

  • saminator910
  • · Replies 1 ·
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1

Separable Differential Equation Question

  • inter060708
  • · Replies 1 ·
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1

L'Hospital's Rule -X to the power of X

  • Astrum
  • · Replies 8 ·
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8

Matrix manipulation (inverse, lin. alg.)

  • boings
  • · Replies 3 ·
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3

Continuity of a complex function defined on the union of an open and closed set

  • ridethespiral
  • · Replies 3 ·
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3

Proof with a monotone function

  • Felafel
  • · Replies 15 ·
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15

Proving Subspace Addition: LHS vs RHS

  • harvesl
  • · Replies 3 ·
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3

Understanding the Last Step of a Proof for a One-to-One Function

  • chickensagan
  • · Replies 4 ·
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4
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4

Hopf Bifurcation - Nonlinear Diff Eqns

  • ceejay2000
  • · Replies 1 ·
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1

Proof of the Cauchy-Shwarz Inequality

  • Jow
  • · Replies 4 ·
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4

Proving Finite Extension is Algebraic & Example of Converse

  • luciasiti
  • · Replies 3 ·
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3

Proof of a (simple) integro-differential formula

  • TeacupPig
  • · Replies 2 ·
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2

Permutations of a single number in the symmetric group

  • Ted123
  • · Replies 3 ·
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3

Can't understand how to compute this limit where x tends to infinity

  • DanB1993
  • · Replies 3 ·
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3

Finding extrema when derivative has no rational roots.

  • peripatein
  • · Replies 4 ·
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4

Does the Maximum of Two Convergent Series Also Converge?

  • porroadventum
  • · Replies 1 ·
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1

Natural log (ln x) derivative question

  • SteveM19
  • · Replies 3 ·
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3

Example of a Quotient Map That Is Neither Open Nor Closed

  • jmjlt88
  • · Replies 1 ·
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1

Finding the Sum of a Power Series: Tips and Tricks for Success

  • peripatein
  • · Replies 5 ·
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5

Series representation for 2x/(1+x[SUP]2[/SUP])

  • peripatein
  • · Replies 15 ·
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15

Hypergeometric function problem

  • matematikuvol
  • · Replies 4 ·
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4

Integrate this equation by parts

  • Xetman
  • · Replies 6 ·
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6

Proving Convergence of Power Series for All x within Radius of Convergence

  • peripatein
  • · Replies 5 ·
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5

How to Convert a Polar Equation to Cartesian Form?

  • qablos
  • · Replies 3 ·
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3
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2

Unraveling the Mystery of y=1+x+x^3

  • qablos
  • · Replies 2 ·
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2

Prove improper integral exists

  • Felafel
  • · Replies 22 ·
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22

A question about ring homomorphisms

  • Artusartos
  • · Replies 2 ·
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2
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2

Partial differentiation: prove this general result

  • unscientific
  • · Replies 3 ·
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3

Differentials and Implicit Differentiation

  • Roo2
  • · Replies 6 ·
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6

Finding the limits of this expression

  • unscientific
  • · Replies 2 ·
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2

Is My Mathematical Proof Correct?

  • Artusartos
  • · Replies 4 ·
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4

F''(x)>0 in [a,b] so f has a maximum at a or b.

  • peripatein
  • · Replies 1 ·
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1

Is ln(1+x) Always Greater Than or Equal to x - x^2/2 for x>=0?

  • peripatein
  • · Replies 1 ·
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1

What is the sum of complex solutions?

  • unscientific
  • · Replies 7 ·
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7

Finding a linear transformation.

  • peripatein
  • · Replies 16 ·
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16

Determining the radius of convergence

  • porroadventum
  • · Replies 10 ·
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10

Solving Indeterminate Limits with De L'Hopital's Rule

  • Felafel
  • · Replies 7 ·
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7

How Can You Find Infinite Solutions for a System of Linear Equations?

  • unscientific
  • · Replies 1 ·
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1

Understanding the Ellipsis in Algebraic Operations

  • humanaction
  • · Replies 11 ·
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11

Is there a shortcut to summing Bessel functions with imaginary units?

  • matematikuvol
  • · Replies 1 ·
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1

Is G={f: R -> R : f(x)=ax+b, a ≠ 0} a Group Under Composition?

  • Artusartos
  • · Replies 7 ·
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7

Line Integral Homework: Solving Problems with W = F*dr and Pictures

  • Erbil
  • · Replies 3 ·
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3

Study the continuity of this function

  • Felafel
  • · Replies 15 ·
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15

Compute Tricky Limit Using Taylor Series and De L'hopital's Theorem

  • Felafel
  • · Replies 15 ·
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15

Quick convergent series question.

  • binbagsss
  • · Replies 2 ·
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2

How Do You Solve a Second Order ODE with Specific Boundary Conditions?

  • DunWorry
  • · Replies 4 ·
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4

What is the path of a particle in a vector field?

  • Horv
  • · Replies 1 ·
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1

Integrating \sqrt{x-x^2} using Trig Substitution

  • autodidude
  • · Replies 5 ·
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5

I'm not quite understanding the formation of the radius

  • Xetman
  • · Replies 1 ·
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1

Why take the integral of this instead of just plugging in the number?

  • Xetman
  • · Replies 4 ·
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4

Why use stipulations in Epsilon Delta Proofs?

  • hgfhh123
  • · Replies 4 ·
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4

What Is the Pattern in Raven's Matrix Problem?

  • tony24810
  • · Replies 3 ·
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3

Saddle Point at (0,0): f(x,y)=x^2+y^3

  • cambo86
  • · Replies 6 ·
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6

Differential equation with only the trivial solution

  • Bipolarity
  • · Replies 4 ·
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4

What is the Cosine Fourier Transform of an Exponential Function?

  • Jalo
  • · Replies 6 ·
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6

Prove Linear Algebra Statement: x1E1+...+xnEn=0 then xi=0

  • bonfire09
  • · Replies 11 ·
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11

Vector Problem - Collision: When Will Two Particles Collide?

  • unscientific
  • · Replies 5 ·
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5

Problem with hyperbolic functions demostrations

  • Rono
  • · Replies 1 ·
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1

Solving the Min Phone Calls Needed to Share Clues Problem

  • Swimmingly!
  • · Replies 1 ·
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1

Finding the Variables for f(x,y)=e^{xy}

  • Unredeemed
  • · Replies 10 ·
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10

Finding the Derivative of f(x,y) = 0

  • unscientific
  • · Replies 11 ·
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11

Solving equation with two imaginary roots

  • lordvoo
  • · Replies 2 ·
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2

Why isn't R a domain for \frac{1}{2}(a+b\sqrt{2})?

  • Artusartos
  • · Replies 3 ·
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3

Volume between sphere and outside cylinder.

  • peripatein
  • · Replies 32 ·
2
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32

Differentiating f(r): Solving a Problem

  • EngnrMatt
  • · Replies 8 ·
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8

What is the Mean Value Theorem Inequality for the Interval [0,1]?

  • mtayab1994
  • · Replies 3 ·
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3

Lagrange Remainder for Taylor Expansion of ln(4/5) ≤ 1/1000?

  • peripatein
  • · Replies 2 ·
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2

Is this Line Integral Independent of Path for a Conservative Field?

  • unscientific
  • · Replies 4 ·
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4
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3

Solve 3x-y+2z=4 - Help for Newbie

  • poon
  • · Replies 5 ·
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5

Simple exercise about integrals

  • Felafel
  • · Replies 5 ·
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5

Positive lower bound in the punctured rectangle

  • hedipaldi
  • · Replies 7 ·
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7

Roots of derivative of polynomial.

  • peripatein
  • · Replies 5 ·
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5

Proving the Triangle Inequality for Absolute Values

  • SithsNGiggles
  • · Replies 6 ·
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6

What Are the Key Concepts in Double Integral Theory?

  • DryRun
  • · Replies 18 ·
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18

Uniform Convergence and the Uniform Metric

  • jmjlt88
  • · Replies 1 ·
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1

Volume generated by revolving curve around axis

  • togo
  • · Replies 1 ·
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1