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

Bijection between (0,1) and [0,1) in R?

  • Colleen G
  • · Replies 3 ·
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3

Standard matrix for reflection across the line y=-x

  • fattycakez
  • · Replies 11 ·
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11

Linear Approximation of Algebraic Equation for Quick Q Question

  • binbagsss
  • · Replies 10 ·
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10

Newton's Method generalized to 3 dimensions

  • kostoglotov
  • · Replies 3 ·
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3

Is f(x) = √(5x+2) one-to-one on (-2/5, infinity)?

  • bigplanet401
  • · Replies 6 ·
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6

Algebra/differentiation/trig expansions/ small approximation

  • binbagsss
  • · Replies 31 ·
2
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31

Finding Local Max and Min values and saddle in mult. Calculu

  • Physicsnoob90
  • · Replies 1 ·
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1

Determine whether functions are harmonic

  • Shackleford
  • · Replies 8 ·
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8

Difficulty checking the solution of differential equation

  • asadpasat
  • · Replies 3 ·
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3

Equivalent Metrics From Clopen Sets

  • jamilmalik
  • · Replies 10 ·
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10

Natural log differentiation question

  • SYoungblood
  • · Replies 2 ·
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2

Optimization Problem: Minimizing rectangle dimensions

  • Kenny Bala
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1

Electric field on a point around a finite wire

  • flivon
  • · Replies 2 ·
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2

Calculating Flux through Ellipsoid

  • bananabandana
  • · Replies 9 ·
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9

When is the following unbiased?

  • DotFourier
  • · Replies 1 ·
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1

Center of Mass Using Triple Integrals Question

  • RJLiberator
  • · Replies 4 ·
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4

Stokes's Theorem and the Right Hand Rule

  • BOAS
  • · Replies 8 ·
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8

Why Is My Integration of the Region Between y=2x and y=x^2+3x-6 Incorrect?

  • FuturEngineer
  • · Replies 6 ·
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6

Mean Value Theorem for integrals

  • bigplanet401
  • · Replies 1 ·
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1

Learning from Mistakes: Ratio Test Problem Solving

  • mmont012
  • · Replies 5 ·
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5

Taking the derivative (no numbers)

  • ME_student
  • · Replies 5 ·
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5

Hypothesis testing, P-value, β-error, sample size for β<=0.1

  • s3a
  • · Replies 4 ·
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4

Impossible event vs Ordinary event

  • lahanadar
  • · Replies 8 ·
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8

QM linear algebra true or false

  • dyn
  • · Replies 17 ·
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17

Floor of ratio of Fermat numbers

  • fourier jr
  • · Replies 8 ·
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8

Find the curvature at the point (x, y) on the ellipse?

  • Math10
  • · Replies 3 ·
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3

Proof: limit of product is the product of limits

  • nuuskur
  • · Replies 1 ·
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1

Proof: Local extremum implies partial derivatives = 0

  • nuuskur
  • · Replies 2 ·
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2

Solving Spanning Sets in R^2: Need Help with Problem Tomorrow!

  • jdawg
  • · Replies 10 ·
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10

An equation for the path that the shark will swim on

  • kostoglotov
  • · Replies 3 ·
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3

Substitution to convert first order ODE to homogenous

  • stfz
  • · Replies 1 ·
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1

I can't seem to understand the ratio test proof

  • A.MHF
  • · Replies 3 ·
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3

Spherical Coordinates - Help me find my bounds

  • RJLiberator
  • · Replies 8 ·
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8

The Unique Limit of a Complex Function

  • Calu
  • · Replies 8 ·
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8

Spherical coordinates - phi vs theta

  • Calpalned
  • · Replies 3 ·
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3
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3

Proof: open ball is an open set

  • nuuskur
  • · Replies 3 ·
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3

Algebra /derivatives/ chain rule/

  • binbagsss
  • · Replies 9 ·
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9

Verifying a Power Series Solution for y''-4y=0

  • joker2014
  • · Replies 2 ·
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2

Prove that arctanx has to be less than x

  • AdityaDev
  • · Replies 13 ·
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13

Proof: open sphere is an open set

  • nuuskur
  • · Replies 3 ·
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3

Y′′=−20⋅4x^3, Second order linear ordinary DE

  • Feodalherren
  • · Replies 9 ·
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9

Topology-Semiregular Spaces and Nonhomeomorphic

  • topology
  • · Replies 1 ·
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1

Complex derivative of x: ((x)^(1/x))'

  • Ondina
  • · Replies 3 ·
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3

A definite trigonometric absolute integral

  • Raghav Gupta
  • · Replies 26 ·
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26

How do you integrate dirac delta functions?

  • KeithKp
  • · Replies 4 ·
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4

When Does a Sequence of Uniform Random Variables Stop Decreasing?

  • Dassinia
  • · Replies 1 ·
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1

Minimum of two random variable

  • Dassinia
  • · Replies 2 ·
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2

Using Parseval's Theorem to evaluate an integral -- Help please

  • KeithKp
  • · Replies 1 ·
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1

Derivative of natural log function questions

  • SYoungblood
  • · Replies 10 ·
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10

Confidence interval of two sample tests

  • hahaha158
  • · Replies 4 ·
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4

Spherical vs cylindrical notation

  • Calpalned
  • · Replies 2 ·
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2

Is the Function f(x) Unbounded on Its Domain?

  • bigplanet401
  • · Replies 4 ·
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4

Triple integral in cylindrical coordinates

  • Calpalned
  • · Replies 1 ·
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1

RHS of Laplace's Equation is f(u(x,y))

  • beth92
  • · Replies 3 ·
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3

Salt tank differential equation

  • musicmar
  • · Replies 3 ·
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3

Riemann's Integrability Condition

  • Bashyboy
  • · Replies 1 ·
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1

Diffrential equations, integration factor with two vars

  • barak
  • · Replies 5 ·
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5

Need help with Newton's Law of Cooling math problem

  • R_M
  • · Replies 1 ·
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1

Divergence and Volume Integrals

  • BOAS
  • · Replies 5 ·
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5

Part Derivs: Minimizing the Weight of a Rocket

  • kostoglotov
  • · Replies 1 ·
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1

Optimizing Isosceles Triangle Problem: Find Min. Sum of Distances

  • ciubba
  • · Replies 7 ·
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7

Hypotheses construction for significance testing

  • Mr Davis 97
  • · Replies 3 ·
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3

Calculate closed curve integral

  • Shackleford
  • · Replies 9 ·
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9

Derivation of Carrier Concentration (ni)

  • m_keown2000
  • · Replies 1 ·
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1

What Is the Probability of High Diastolic Blood Pressure in a Sample Group?

  • DotFourier
  • · Replies 3 ·
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3

Interpretation of differentiation results

  • musicgold
  • · Replies 6 ·
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6

Verifying whether something is a vector space or not

  • TimmyJ1203
  • · Replies 9 ·
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9

Can Single, Double, and Triple Integrals Vary in Variable Count?

  • Calpalned
  • · Replies 9 ·
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9

Polynomials and complex numbers

  • ivan_x3000
  • · Replies 12 ·
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12

Identifying Error in Spherical Coordinates - Homework Problem

  • Schwarzschild90
  • · Replies 9 ·
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9

Volume of a quarter cylinder between 2 planes

  • Matternot
  • · Replies 3 ·
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3

New Calc student w/ a derivative question

  • SYoungblood
  • · Replies 8 ·
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8

Pharmacokinetics of drug distribution

  • MartK
  • · Replies 3 ·
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3

Discontinuity of a constraint in Lagrange Method

  • kostoglotov
  • · Replies 6 ·
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6

What is the real-world application of triple integrals?

  • Calpalned
  • · Replies 2 ·
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2

How Does One Deduce Area of Intersection for Three Cirlces?

  • cmkluza
  • · Replies 5 ·
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5

Geometric Derivation of f'(x) = arctan(x) for f(x)=∫(^x, _0) (dt)/(1+t^2)

  • Laurentiusson
  • · Replies 35 ·
2
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35

A numerical solution of a second order ODE

  • manifold
  • · Replies 2 ·
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2

Differential equation (cannot separate)

  • Name15
  • · Replies 3 ·
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3

How do you find the integral of (x-1)/(x^2-4x+5)?

  • Potatochip911
  • · Replies 10 ·
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10

Find the actual sum of a fourier series at a given point

  • thorx440
  • · Replies 6 ·
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6

Proving a Function Is Riemann Integrable

  • Bashyboy
  • · Replies 1 ·
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1

Convolution of gaussian functions

  • ElijahRockers
  • · Replies 3 ·
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3

Difficult Question in Calculus — limits and integrals

  • omeraz100
  • · Replies 4 ·
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4

Square matrix and its transpose satisfying an equation

  • Lord Anoobis
  • · Replies 2 ·
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2

Translating quantificational logic

  • Nathew
  • · Replies 1 ·
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1

Finding the force in a simple harmonic lattice

  • Fyj
  • · Replies 1 ·
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1

Solving Integral Problem: Arc Length of Sine

  • PWiz
  • · Replies 25 ·
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25
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8

Showing equality of dimensions

  • said
  • · Replies 3 ·
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3

Integration Homework: Substitution, Partial Fraction, By Parts

  • kishlaysingh
  • · Replies 3 ·
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3

Doubt about abelian conjugacy class

  • frank1
  • · Replies 2 ·
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2

Vector differential identity proof (using triple product)

  • Earthland
  • · Replies 8 ·
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8

Distance between two cities on earth

  • vizakenjack
  • · Replies 8 ·
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8

Prove that for a,b,c > 0, geometric mean <= arithmetic mean

  • EnlightenedOne
  • · Replies 11 ·
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11

How Did the Author Determine the Fourier Sine Series for x^2?

  • iScience
  • · Replies 2 ·
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2

Help finishing a linear differential equation. Mechanics

  • navm1
  • · Replies 2 ·
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2

Eigenvalue Problem: Find All Eigen-Values & Eigen-Fns

  • iScience
  • · Replies 4 ·
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4

Calculating Loan Payoff Periods with Excel NPER Function

  • IrinaK.
  • · Replies 5 ·
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5