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

Continuity With Piece Wise Functions

  • Michele Nunes
  • · Replies 1 ·
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1

How Do You Integrate tan^3(9x)?

  • watabi
  • · Replies 3 ·
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3

Derivative of 8^(sin²(3x)) using double angle formula

  • jessieb128
  • · Replies 1 ·
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1

Finding λ > 0 such that (1+λ)g ≤ f for continuous functions

  • geoffrey159
  • · Replies 2 ·
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2

Proving the mean of a number and its absolute value is bounded

  • astrololo
  • · Replies 10 ·
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10

Minimizing area of ellipse enclosing circle (x-1)² + y² = 1

  • TyroneTheDino
  • · Replies 8 ·
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8

Differentiating: Clarifying the Process

  • DiamondV
  • · Replies 4 ·
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4

Convolutions, Fourier coefficients

  • Incand
  • · Replies 5 ·
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5

What is limx-->0 f(x) when lim x-->0 g(x)=0?

  • lep11
  • · Replies 7 ·
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7

How Do You Solve the Isobaric Equation (x+y)dx - (x-y)dy = 0?

  • Mark Brewer
  • · Replies 6 ·
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6

Solving First Order Linear DEs: Methods and General Solutions

  • BOAS
  • · Replies 4 ·
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4

Exact Differential Equations for Level Curves of u(x,y) = cos(x^2-y^2)

  • Mark Brewer
  • · Replies 4 ·
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4

Derivative of a trigonometric function

  • Ocata
  • · Replies 5 ·
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5

Limit as X approaches ∞ of (X)(sin(1/X))

  • Michele Nunes
  • · Replies 3 ·
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3

Can I do this in this math problem/substitution Calc 2

  • Steebly
  • · Replies 1 ·
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1

Determining the limit for function of x and y

  • WK95
  • · Replies 1 ·
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1
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16

Why a group is not a direct or semi direct product

  • DeldotB
  • · Replies 3 ·
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3

Rate of change of box diagonal with changing dimensions

  • Physicsnoob90
  • · Replies 3 ·
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3

Indefinite integral and proving convergence

  • SteliosVas
  • · Replies 4 ·
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4

So the equation becomes u' + (1/x)u = x

  • masterchiefo
  • · Replies 9 ·
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9

Find eigenvalues and eigenvectors of weird matrix

  • dukemiami
  • · Replies 5 ·
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5
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9

Simplifying natural log of complex number

  • Sturk200
  • · Replies 4 ·
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4

Does the Integral from 8 to 666 of 1/((x^(1/3))-2) Converge or Diverge?

  • SteliosVas
  • · Replies 8 ·
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8

Does Convergence in the Mean Imply Ordinary Convergence?

  • squenshl
  • · Replies 2 ·
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2

Complex numbers - I'm sure this is an easy - Argand diagram

  • laura_a
  • · Replies 2 ·
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2

Prove ##f^{-1}(G\cap H)=f^{-1}(G)\cap f^{-1}(H)##

  • Potatochip911
  • · Replies 2 ·
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2

Showing two groups are *Not* isomorphic

  • DeldotB
  • · Replies 2 ·
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2

Construct matrix A where Ax=b has a solution but Ax=c does not

  • Jen2114
  • · Replies 2 ·
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2

Is ut + ux = 0 with u(t,x) = x on the unit circle well-posed?

  • Nicolaus
  • · Replies 1 ·
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1

Using the Second Isomorphism (Diamond Isomorphism) Theorem

  • DeldotB
  • · Replies 3 ·
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3

How Can Fourier Series Aid in Solving the Sinc Function Integral?

  • Incand
  • · Replies 5 ·
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5

Markov chain: finding a general solution

  • Christopher T.
  • · Replies 2 ·
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2

Divergence of Cross Product Relation

  • advphys
  • · Replies 3 ·
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3

Prove (Q/Z)/H is isomorphic to Q/Z

  • jackmell
  • · Replies 12 ·
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12

Inverse Laplace transform with partial fractions

  • Italo Campoli
  • · Replies 3 ·
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3

How to prove the following defined metric space is separable

  • L.S.H
  • · Replies 2 ·
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2

Can You Confirm My Fourier Series Calculation for a Square Wave?

  • BOAS
  • · Replies 8 ·
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8

Can Multiplying by Exp[x] Accidentally Solve a Differential Equation?

  • Crush1986
  • · Replies 10 ·
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10

Learning Differential equations, week 2 level material

  • SYoungblood
  • · Replies 4 ·
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4

Multiplication table and generators for Z7*

  • sa1988
  • · Replies 7 ·
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7

Midpoint rule causing confusion

  • Lord Anoobis
  • · Replies 6 ·
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6

Self-adjoint boundary value (Sturm-Liouville)

  • Incand
  • · Replies 2 ·
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2

Finding the normalization constant for a Gaussian distribution

  • Destroxia
  • · Replies 4 ·
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4

Can these functions be made continuous at (0, 0)?

  • shanepitts
  • · Replies 1 ·
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1

Are Finite Families of Closed Sets Closed?

  • shanepitts
  • · Replies 7 ·
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7

Curve integral, singularity, and parametrization

  • S. Moger
  • · Replies 3 ·
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3

Lognormal distribution question

  • TooTall65
  • · Replies 3 ·
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3

Arclength parameter for a path with exponential and trigonometric functions

  • yango_17
  • · Replies 20 ·
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20

How do I solve these coupled Differential Equation?

  • baouba
  • · Replies 1 ·
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1

Probability Generating Functions Question

  • Tim 1234
  • · Replies 3 ·
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3

Solution to Coupled Second Order ODE's

  • QuantumLollipop
  • · Replies 4 ·
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4

Finding the range and PMF of Y = |X − 5| when X ~ Geometric(1/3)

  • Jonobro
  • · Replies 1 ·
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1

AB=0 but A and B different from 0

  • bonildo
  • · Replies 2 ·
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2

Comparison and ratio tests for series convergence

  • suprajzturbo
  • · Replies 5 ·
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5

Laplace Transforms: Transfer Functions and Impulse

  • ConnorM
  • · Replies 4 ·
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4

Generating Function for Selecting Candies with Varying Quantities and Types

  • toothpaste666
  • · Replies 4 ·
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4

Buckingham Pi / Dimensional analysis

  • beth92
  • · Replies 1 ·
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1

Finding the first column of a matrix product using GAXPY operations

  • lolittaFarhat
  • · Replies 5 ·
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5

Finding partial derivatives ua and vb for a parametric surface

  • goonking
  • · Replies 9 ·
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9

MATLAB Convolution: Finding the Convolution of Two Functions with Step Inputs

  • Les talons
  • · Replies 1 ·
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1

Keep getting the wrong answer in this lengthy Laplace problem

  • Jonas E
  • · Replies 8 ·
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8

Calculating Matrix Representation of Linear Function in New Basis

  • squenshl
  • · Replies 7 ·
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7

Can curvature ever be greater than at relative extremum?

  • WK95
  • · Replies 2 ·
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2

Linear Algebra Proof involving Linear Independence

  • RJLiberator
  • · Replies 7 ·
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7

Finding the Limit of Curvature for a Polar Curve

  • WK95
  • · Replies 6 ·
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6

Minimum Number of Coin Flips for Probability Assertion

  • toothpaste666
  • · Replies 4 ·
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4

Find the parameters of a curve (differential geometry)

  • Dassinia
  • · Replies 4 ·
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4

Find value of K for differential equation to be exact

  • masterchiefo
  • · Replies 10 ·
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10

Proving sup S = c where S = {x ∈ ℝ : x ≥ 0, x² < c}

  • HaLAA
  • · Replies 8 ·
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8

Proof: [itex]1\neq m\in\mathbb{N}, m-1\in\mathbb{N}[/itex]

  • nuuskur
  • · Replies 8 ·
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8

Solving dy/dx = (3y² - x²)/(2xy) with substitution v = y/x

  • masterchiefo
  • · Replies 7 ·
Replies
7

Linear Algebra -- Is this a basis?

  • RJLiberator
  • · Replies 10 ·
Replies
10

Is the Curve C Regular for Different Values of d and r?

  • Dassinia
  • · Replies 6 ·
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6

Proving simplex, cube, and octahedron are polytopes

  • squenshl
  • · Replies 15 ·
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15

Showing algebraic numbers of degree n are countable

  • jack476
  • · Replies 8 ·
Replies
8

Function Composition of Multivariate Functions

  • Prof. 27
  • · Replies 2 ·
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2

Laplace Transforms: Transfer Functions, and IVT/FVT Problems

  • ConnorM
  • · Replies 1 ·
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1

Power series where radius of convergence > lower limit

  • Risborg
  • · Replies 5 ·
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5

2nd order approx. of barrier function

  • FOIWATER
  • · Replies 2 ·
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2

Looking for tighter bound on symmetric PSD matrices products

  • Yossi
  • · Replies 1 ·
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1

Question regarding a derivative

  • in the rye
  • · Replies 5 ·
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5

What is the Interpretation of a Tensor?

  • S. Moger
  • · Replies 2 ·
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2

What Is the Equation of State Given Compressibility and Expansivity Relations?

  • NucEngMajor
  • · Replies 1 ·
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1

Illustrating Linear Transformation: Sketches for T

  • yango_17
  • · Replies 5 ·
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5

How to find the equation of this tangent?

  • Jeanclaud
  • · Replies 8 ·
Replies
8

Linear Transformation: Converting Between Canonical and Basis Representations

  • Victor Feitosa
  • · Replies 9 ·
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9

Convergence and Cauchy Criterion

  • andyfeynman
  • · Replies 1 ·
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1

Integration by parts for ∫xⁿ√(ax+b)

  • Ted13
  • · Replies 9 ·
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9

Bernoulli differential equation, Cauchy problem

  • nuuskur
  • · Replies 3 ·
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3

Limit of a Difference of Rational Functions

  • arpon
  • · Replies 2 ·
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2

Integration using Leibnitz theorem

  • Titan97
  • · Replies 19 ·
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19

Calculate integral sin(x)/x^0.1dx from pi to infinity

  • tub08918
  • · Replies 2 ·
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2

What Project Ideas Combine Differential Equations and Astrophysics?

  • SYoungblood
  • · Replies 3 ·
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3

Two ships departing at 80 knots north and west

  • Niaboc67
  • · Replies 9 ·
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9

Graph Theory and Function Problems

  • B3NR4Y
  • · Replies 3 ·
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3

How Do De Morgan's Laws Apply to Set Theory Proofs?

  • Potatochip911
  • · Replies 13 ·
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13

Proving the Contracted Epsilon Identity

  • BOAS
  • · Replies 12 ·
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12

Linear Algebra - Linear Operators

  • Victor Feitosa
  • · Replies 7 ·
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7