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

Proving this equation -- Limit of a sum of inverse square root terms

  • alsdt
  • · Replies 7 ·
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7

Intermediate Value Theorem Problem on a String

  • shinobi20
  • · Replies 14 ·
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14

Can anyone please check/verify this proof about rational numbers?

  • Math100
  • · Replies 7 ·
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7

Find the inequality that satisfies this quadratic problem

  • chwala
  • · Replies 3 ·
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3

Prove that a function from [0,1] to [0,1] is a homeomorphism

  • docnet
  • · Replies 5 ·
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5

Integrating Logarithmic Functions with Binomial Terms

  • Mayhem
  • · Replies 14 ·
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14

Can anyone please check/confirm my work on this proof?

  • Math100
  • · Replies 2 ·
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2

Finding analyticity of a complex function involving ln(iz)

  • tixi
  • · Replies 2 ·
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2

Velocity of a mass m that moves along the x-axis

  • lily
  • · Replies 1 ·
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1

Stirling's Approximation for a factorial raised to a power

  • rmiller70015
  • · Replies 2 ·
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2

"Trick" for a specific potential function defined with an integral

  • fatpotato
  • · Replies 10 ·
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10

Prove that the intersection of subspaces is compact and closed

  • docnet
  • · Replies 12 ·
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12

Parametrised Circle Trajectory: Particle in x≤0 Half-Plane

  • Poetria
  • · Replies 6 ·
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6

Solving a mixing problem with a differential equation

  • arhzz
  • · Replies 2 ·
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2

Prove the transformation is scalar

  • Whitehole
  • · Replies 12 ·
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12

Show that the sum of the finite limits of these two series is also finite

  • rb120134
  • · Replies 10 ·
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10

Chain rule (multivariable calculus)

  • Poetria
  • · Replies 7 ·
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7

How Do You Calculate the Modulus and Argument of a Complex Number?

  • joelstacey
  • · Replies 5 ·
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5

A proof that a union of compact spaces is compact

  • docnet
  • · Replies 12 ·
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12

Uncovering the Missing Solution in the Modulus Problem: k>4 and k=0

  • chwala
  • · Replies 2 ·
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2

Prove Vector Quadruple Product with Levi-Civita/Index Notation

  • johnnydoejr
  • · Replies 14 ·
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14

How to find the residue of a complex function

  • Redwaves
  • · Replies 14 ·
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14

Determining if series converges or diverges

  • Sunwoo Bae
  • · Replies 5 ·
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5

Reduction of Order Problem for Differential Equations Class

  • M87TJC
  • · Replies 1 ·
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1

Solving this Differential Equation using Convolution

  • Jack1235
  • · Replies 6 ·
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6

Vector identity proof using index notation

  • darthvishous
  • · Replies 2 ·
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2

Vector calculus identities proof using suffix notation

  • U.Renko
  • · Replies 5 ·
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5

How Do You Model the Changing Concentration of Nitric Acid in a Tank?

  • Tapias5000
  • · Replies 3 ·
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3

Showing that S is unbounded by contradiction

  • cbarker1
  • · Replies 10 ·
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10

Vector Field associated with Stereographic Projection

  • RFeynman
  • · Replies 2 ·
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2

Random variable and probability density function

  • PainterGuy
  • · Replies 11 ·
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11

Cauchy Riemann complex function real and imaginary parts

  • Redwaves
  • · Replies 19 ·
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19

Linear Algebra - LU Factorization

  • ashah99
  • · Replies 1 ·
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1

Using Inner Product Properties to Solve Vector Problems

  • Blackbear38
  • · Replies 4 ·
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4

Is the Fourier Transform Correctly Applied in Solving This Laplace Equation?

  • lriuui0x0
  • · Replies 5 ·
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5

Arc length of vector function - the integral seems impossible

  • overpen57mm
  • · Replies 2 ·
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2

Magnitude of the Projection of force "F" on the u-axis

  • mhrob24
  • · Replies 1 ·
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1

Transforming to a Normal Form (PDE)

  • lema21
  • · Replies 3 ·
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3

Understanding Taylor Expansion near a Point

  • Blanchdog
  • · Replies 12 ·
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12

Prove eigenvalues of the derivatives of Legendre polynomials >= 0

  • lriuui0x0
  • · Replies 11 ·
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11

Finding A Relative Condition Number

  • ver_mathstats
  • · Replies 2 ·
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2

Analysis 1 Homework Help with Complex Numbers

  • lema21
  • · Replies 7 ·
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7

Proving A Must Be of Rank 2: The 2x2 Matrix Dilemma

  • LukasMont
  • · Replies 1 ·
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1

Prove that the limit of |x|/x at x=0 DNE

  • Leo Liu
  • · Replies 9 ·
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9

Proving the preimage of a singleton under f is a singleton for all y

  • cbarker1
  • · Replies 6 ·
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6

Find that this partial differentiation is equal to 0

  • Istiak
  • · Replies 5 ·
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5

What is the name of this inequality?

  • Leo Liu
  • · Replies 2 ·
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2

Solving a Linear Combination Problem

  • guyvsdcsniper
  • · Replies 2 ·
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2

Stokes' theorem gives different results

  • lriuui0x0
  • · Replies 3 ·
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3

Solving an Equation: Is it a Paraboloid or Cone?

  • Amaelle
  • · Replies 12 ·
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12

Why this triple integral is not null?

  • Amaelle
  • · Replies 6 ·
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6

A gradient field (analysing a picture)

  • Poetria
  • · Replies 4 ·
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4

Critical points of a multivariable function (wave equation)

  • Poetria
  • · Replies 8 ·
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8

Variance of a point chosen at random on the circumference of a circle

  • Master1022
  • · Replies 9 ·
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9

Double integral with polar coordinates

  • Amaelle
  • · Replies 5 ·
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5

Understanding the Chain Rule in Multivariable Calculus

  • Istiak
  • · Replies 15 ·
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15

Integration of an exponential function

  • Safinaz
  • · Replies 4 ·
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4

The convergence of a numerical series

  • Amaelle
  • · Replies 5 ·
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5
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4

How integral and gradient cancels?

  • Istiak
  • · Replies 13 ·
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13

How to find the constant in this indefinite integration?

  • Istiak
  • · Replies 20 ·
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20

Directional derivative and hiking

  • Poetria
  • · Replies 21 ·
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21

Good approximation - multivariable calculus

  • Poetria
  • · Replies 9 ·
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9

Multivariable temperature variation while swimming in a hot spring

  • Poetria
  • · Replies 11 ·
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11

Statements about linear maps | Linear Algebra

  • JD_PM
  • · Replies 8 ·
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8

How can I take double ResRes at a singularity in the residue theorem?

  • mrsaturn
  • · Replies 3 ·
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3

Can someone explain why bicycle spokes break while cycling fast?

  • plsputmeoutofmymiser
  • · Replies 2 ·
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2
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5

What Function Satisfies the Derivative Equation in Complex Analysis?

  • Mulz
  • · Replies 1 ·
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1

The shortest distance (gradients)

  • Poetria
  • · Replies 9 ·
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9

Checking nature of turning point of parametric equation

  • songoku
  • · Replies 7 ·
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7

Dimension statement about (finite-dimensional) subspaces

  • JD_PM
  • · Replies 15 ·
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15

Taking the derivative of a function of a function

  • ArisMartinez
  • · Replies 3 ·
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3

Generalisation of terms in a series

  • jackiepollock
  • · Replies 3 ·
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3

Proof of Subspace Topology Problem: Error Identification & Explanation

  • Norashii
  • · Replies 3 ·
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3

Calculating the volume of a bottle of water using disk method

  • Einstein44
  • · Replies 7 ·
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7

How do I change this integral limit from x to t?

  • PainterGuy
  • · Replies 2 ·
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2

Prove that the sequence does not have a convergent subsequence

  • fabiancillo
  • · Replies 4 ·
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4

Why does the numerator become 1 in the root test for solving series?

  • DottZakapa
  • · Replies 7 ·
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7

Solving separable 2nd order DE

  • phantomvommand
  • · Replies 3 ·
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3

What is the singularity of e^(-1/z^2)?

  • jaus tail
  • · Replies 25 ·
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25
Replies
4

Series Convergence: What Can the Nth Term Test Tell Us?

  • woopydalan
  • · Replies 6 ·
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6

Intersection of a function f(x,y) with a plane

  • Poetria
  • · Replies 10 ·
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10

Approaching Jacobian Calculation for a Single Function with Multiple Variables

  • ver_mathstats
  • · Replies 2 ·
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2

Bounds of the remainder of a Taylor series

  • songoku
  • · Replies 27 ·
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27

Understanding the Ratio Test for Series and Its Applications

  • woopydalan
  • · Replies 7 ·
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7

How to use the divergence theorem to solve this question

  • Leo Liu
  • · Replies 6 ·
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6

Partial differential (multivariable calculus)

  • Poetria
  • · Replies 4 ·
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4
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18

Domain of multivariable function - definition

  • Poetria
  • · Replies 13 ·
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13

Find the rejected region in the problem of a biased die - Hypothesis

  • chwala
  • · Replies 2 ·
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2

What does this integral notation mean?

  • Leo Liu
  • · Replies 3 ·
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3

Vector space and 3D flow field

  • Leo Liu
  • · Replies 5 ·
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5

Proving trigonometry identities

  • chwala
  • · Replies 4 ·
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4

Solving coupled equations analytically

  • asifadio
  • · Replies 2 ·
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2

Finding a complementary subspace ##U## | Linear Algebra

  • JD_PM
  • · Replies 4 ·
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4

Volume of solid region double integral

  • woopydalan
  • · Replies 27 ·
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27

Given subspaces ##U \& W##, show they are equal | Linear Algebra

  • JD_PM
  • · Replies 8 ·
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8

Solving this rate of decay problem -- Mass loss calculation

  • chwala
  • · Replies 2 ·
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2