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

Is J(R) the Intersection of All Maximal Ideals in R?

  • tsang
  • · Replies 3 ·
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3

Find all values of x in which the series converges

  • turbokaz
  • · Replies 1 ·
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1

Extreme difficulty with a concavity problem

  • Solitare
  • · Replies 26 ·
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26
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2

Expectation of a Function of a RV in terms of PDF

  • RoshanBBQ
  • · Replies 1 ·
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1

Another laplace differential equation.

  • TyErd
  • · Replies 6 ·
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6

Laplace transform integral problem

  • TyErd
  • · Replies 12 ·
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12

Sums of Independent Random Variables

  • jrk012
  • · Replies 2 ·
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2

Finding divergence/convergence by direct comparison test

  • OnceKnown
  • · Replies 1 ·
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1

Solving ODEs using Power Series Method

  • physicsjock
  • · Replies 4 ·
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4

Solving for Matrix P that Satisfies D=P^{-1}AP

  • skyturnred
  • · Replies 1 ·
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1

Reflexive, Symmetric, Transitive

  • iHeartof12
  • · Replies 3 ·
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3

Y'' - 9y = 4t - δ_2(t); y() = -2, y'(0) = -1

  • s3a
  • · Replies 6 ·
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6

Show that (product of these three partial derivatives) = -1.

  • s3a
  • · Replies 5 ·
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5

Laplace transforms of differential equations

  • TyErd
  • · Replies 4 ·
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4

Evaluation of potential, problem reduced to an integral

  • fluidistic
  • · Replies 5 ·
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5

Is the relation reflexive, symmetric, transitive

  • iHeartof12
  • · Replies 2 ·
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2

Proove that a function is cointinuous at one point

  • Hernaner28
  • · Replies 30 ·
2
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30

Partition Axioms for Set P: Is P a Partition of Set A?

  • iHeartof12
  • · Replies 3 ·
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3

No natural numbers that satisfy x^2 - y^2 = 2

  • lisamane
  • · Replies 16 ·
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16

Given set A is P a partition of A

  • iHeartof12
  • · Replies 3 ·
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3

Solving a differential equation using Cauchy-Euler Method

  • madcattle
  • · Replies 5 ·
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5

Struggling to Find X(t) Using Inverse Laplace Transform

  • schapman22
  • · Replies 3 ·
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3

Set A, determine whether P is a partition of A.

  • iHeartof12
  • · Replies 1 ·
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1

Proving V is a Real Vector Space Given V is a Complex Vector Space

  • bendaddy
  • · Replies 4 ·
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4

Initial Value Problem. I'm really confused just need some help

  • mazz1801
  • · Replies 2 ·
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2

L'Hopital on limit of tanx(lnx) as x ->0 (from the right).

  • LearninDaMath
  • · Replies 15 ·
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15

Prove that a closed interval [0,1] is nonhomogeneous

  • sunjin09
  • · Replies 7 ·
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7

Calculating Triangle Area in 4-Space: Can Cross Products Be Used?

  • CheesePlease
  • · Replies 2 ·
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2

Laplace Transform for ∫0tf(t)dtA Guide to Solving Laplace Transforms

  • schapman22
  • · Replies 9 ·
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9

When does the slope of the curve y = xe^(2x) equal 0?

  • Johnyi
  • · Replies 9 ·
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9

Problem with Elementary row operations and rank theorems.

  • GaugeSymmetry
  • · Replies 1 ·
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1

Solving DE with Laplace Transforms and g(t) Function

  • s3a
  • · Replies 5 ·
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5

Finding the rational expression of a repeating decimal

  • OnceKnown
  • · Replies 7 ·
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7

Proof: function of int. of family of sets and int. of function of family of sets

  • SithsNGiggles
  • · Replies 13 ·
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13

An easy vector identity I can't prove

  • nathangrand
  • · Replies 2 ·
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2

1-1 and onto linear transformation question

  • ironman1478
  • · Replies 1 ·
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1

Sandwich Theorem proof lim (x,y) -> (0,0) (4x^3*y^4)/(3y^4+5x^8)

  • Phyrrus
  • · Replies 4 ·
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4

Shell Method Question - Where am I wrong?

  • Bellwether
  • · Replies 1 ·
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1

Sum of a geometric series up to infinity

  • Alekz
  • · Replies 1 ·
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1

Solid Of Revolution Problem - Washer

  • Bellwether
  • · Replies 7 ·
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7

Solving Equations: A,B,C,D Constants - Homework Help

  • Tesla.RulZ
  • · Replies 2 ·
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2

Polynomial/Integration questions

  • MehhShell
  • · Replies 1 ·
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1

Understanding Group Size Change: G/N in Abstract Algebra

  • Leb
  • · Replies 1 ·
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1

Relationships between variables, for use of optimization

  • Monkey618
  • · Replies 2 ·
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2
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6
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2

How to parameterize solid of revolution?

  • Kuma
  • · Replies 1 ·
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1

Linear Integration of a Vector Field over a Parametric Path

  • sriracha
  • · Replies 2 ·
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2

Approximate the Prob. in a normal distribution of a binomial

  • rogo0034
  • · Replies 2 ·
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2

Finding the prob. in a continuous uniform distribution (z values)

  • rogo0034
  • · Replies 13 ·
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13

Integrating on Compact Manifolds

  • AnalysisQuest
  • · Replies 3 ·
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3

Difference between Uniformally Continuous and Continuous

  • kingstrick
  • · Replies 3 ·
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3

What is the total basal metabolism of this man over a 24 hour period?

  • ScienceGeek24
  • · Replies 11 ·
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11

Determine is the set is a real vector space (and say why if it isn't)

  • Pi Face
  • · Replies 2 ·
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2

What are the domains and codomains of composed functions?

  • plzen90
  • · Replies 4 ·
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4

Finding the y Component of the Centroid: Is My Reasoning Valid?

  • Miike012
  • · Replies 1 ·
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1

Integrate 1/x(2/3) - Solve for 3 Cube Root 3

  • Roodles01
  • · Replies 5 ·
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5

Linear Independence: Writing vectors as linear combinations

  • skylit
  • · Replies 6 ·
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6

Double integration of an exp function

  • Vandella
  • · Replies 9 ·
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9

Electrostatic Conformal Mapping Problem

  • Airsteve0
  • · Replies 1 ·
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1

Expectation Value for a Function with Cusp

  • Septim
  • · Replies 3 ·
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3

Understanding the meaning of multiple integrals

  • Dr. Philgood
  • · Replies 3 ·
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3

F depends only on |z| then f must be constant?

  • zardiac
  • · Replies 2 ·
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2
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1

How to show this is a homomorphism?

  • SMA_01
  • · Replies 3 ·
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3

Proabibility - Random variables independence question

  • serhannn
  • · Replies 1 ·
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1

Understanding the Identity Theorem for Power Series Coefficients

  • linda300
  • · Replies 4 ·
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4

Sample statistics vs population statistics

  • 939
  • · Replies 1 ·
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1

Quick vector calc question need verifying

  • HmBe
  • · Replies 1 ·
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1

Double Integration (Stuck at square root step) (Solution Included).

  • s3a
  • · Replies 5 ·
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5

Bifurcations and Chaos - Complex eigenvalues

  • Rubik
  • · Replies 1 ·
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1

Units in Rings: show 1-ab a unit <=> 1-ba a unit

  • rachellcb
  • · Replies 1 ·
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1

Second-order ODE, reduction of order?

  • Combinatus
  • · Replies 2 ·
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2

Parameterization of simple equations

  • 1MileCrash
  • · Replies 1 ·
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1

Finding Common perpendicular of two lines

  • ydan87
  • · Replies 4 ·
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4

Derivative of a multi-variable function

  • raining
  • · Replies 4 ·
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4

Solving for a Differential Equation with Inspection.

  • Kiziaru
  • · Replies 4 ·
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4

Show that Characteristic polynomial = minimal polynomial

  • PirateFan308
  • · Replies 3 ·
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3

Which of the following topologies are metrizable?

  • math25
  • · Replies 8 ·
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8

Calculus Homework Help - Optimization Word Problem

  • markcus
  • · Replies 2 ·
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2

Stats question, how to get expected values

  • wtmoore
  • · Replies 1 ·
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1

Circulation over a triangle in R^3

  • sriracha
  • · Replies 3 ·
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3

I thought I understood double integrals until I saw this

  • 1MileCrash
  • · Replies 10 ·
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10

Proof of a theorem about spanning sets

  • jwqwerty
  • · Replies 2 ·
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2

Surface-image from mathematica.

  • ladybeetle
  • · Replies 1 ·
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1

Linear Algebra Proof on Composition of One-to-One Functions

  • jrk012
  • · Replies 2 ·
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2

Necessary conditions for a linear program

  • sdevoe
  • · Replies 6 ·
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6

Solving Complex Eigenvalues Homework

  • Totalderiv
  • · Replies 2 ·
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2
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5

How to Solve Lagrange Multiplier Problems for Function Extremes?

  • tasveerk
  • · Replies 1 ·
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1

Integration of Rational Functions by Partial Fractions

  • Jgoshorn1
  • · Replies 5 ·
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5

Is c a bounded neighborhood of f?

  • kingstrick
  • · Replies 24 ·
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24
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7

Finite and Countable union of countable sets

  • 6.28318531
  • · Replies 3 ·
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3

Simple integration (high school)

  • synkk
  • · Replies 9 ·
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9

Electric field due to a surface charge on a sphere

  • Bowtime
  • · Replies 5 ·
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5

Convergence/Divergence of a Geometric series with a Factorial

  • sikrut
  • · Replies 1 ·
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1

Taking 2nd, 3rd and 4th derivatives

  • Cacophony
  • · Replies 1 ·
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1

Proving vector calculus identities using summation notation

  • lostminty
  • · Replies 14 ·
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14