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

Multivariable limit: (sqrt(|x|)y) / (x^2+y^2)

  • demonelite123
  • · Replies 5 ·
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5

Show that s = [fr/(f + r)]t^2/2 where f & r are accel and decel

  • physicsnnewbie
  • · Replies 13 ·
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13

Solving a First Order ODE with y'(x)^2 = y^2 + xy and the Hint: u = y/x

  • Larrytsai
  • · Replies 10 ·
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10

Is the Function Defined by the Infimum of Distances Continuous?

  • tylerc1991
  • · Replies 2 ·
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2

Show that M(z) maps the unit circle to itself.

  • raphael3d
  • · Replies 19 ·
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19

Rewriting Expression Homework: Tips & Hints for Solving

  • Niles
  • · Replies 2 ·
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2

Therefore, the inflection points are at x=-1/\sqrt{2} and x=1/\sqrt{2}.

  • wildcat12
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4

Finding Elasticity in Demand: Solving for p in the Demand Equation

  • polak333
  • · Replies 9 ·
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9

How is the Multivariable Chain Rule Proved?

  • sponsoredwalk
  • · Replies 5 ·
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5

Trigonometric integral / Complex Analysis

  • irycio
  • · Replies 1 ·
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1

Solving a Probability Question with Poisson Distribution

  • persist911
  • · Replies 1 ·
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1

Help with Proving #F > #R for Set F of Functions f:R --> {0,1}

  • maw26
  • · Replies 5 ·
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5

Finding the Tangent Line of x^4+2x^2 at x=1

  • Mindscrape
  • · Replies 4 ·
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4

Solving Integral of cosX^2: Tips and Advice

  • evra
  • · Replies 9 ·
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9

Help with Laurent Series for Convergence in Different Regions

  • MaxManus
  • · Replies 5 ·
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5

Interchangeability of Partial Differentiation in Physics

  • mmmboh
  • · Replies 1 ·
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1

Continuous Functions, Vector Spaces

  • psholtz
  • · Replies 1 ·
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1

Convergence of xy Product in $\ell^2$

  • tylerc1991
  • · Replies 1 ·
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1

Check my proof on limit of two sequences

  • Samuelb88
  • · Replies 3 ·
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3

Is the Function y=x^3 Monotonic at x=0?

  • player1_1_1
  • · Replies 6 ·
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6

How Do You Differentiate 1/sqrt(x) Using Limits?

  • Pithikos
  • · Replies 5 ·
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5

Why Does Sum 1/(n log n) Diverge? Explained

  • alice.w
  • · Replies 5 ·
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5

Laplace Boundary Value Problem

  • lax1113
  • · Replies 1 ·
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1

Integral: Solving (sec(10x)^2)*(tan(10x)^6)dx

  • Loppyfoot
  • · Replies 1 ·
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1

Double Integral with Negative Exponent

  • Loppyfoot
  • · Replies 1 ·
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1

Proving Periodicity of an Odd Function with Period p

  • zorro
  • · Replies 6 ·
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6
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6

Infinite series converging to natural log

  • zodiak770
  • · Replies 10 ·
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10

Integration with Reduction Formula

  • Matty R
  • · Replies 5 ·
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5

Geometric/algebraic proof of a quadratic

  • raphael3d
  • · Replies 7 ·
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7

Help Solving Limit Equation Using Taylor's Formula - Desperate!

  • Unsu
  • · Replies 1 ·
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1

Probability/statistics question

  • meatspin
  • · Replies 4 ·
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4

Zero State, Stable Equilibrium, Dynamic System

  • essie52
  • · Replies 1 ·
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1

Modulus of a Complex Number Question

  • tylerc1991
  • · Replies 2 ·
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2

Proving Another Vector Norm on C[0,1]

  • gtfitzpatrick
  • · Replies 2 ·
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2

Bernoulli's (differential) equation.

  • SrEstroncio
  • · Replies 1 ·
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1

Calculating Sum, intro to integration

  • quantum_enhan
  • · Replies 8 ·
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8

Defining Norms on R^2: \|+ and \|4

  • gtfitzpatrick
  • · Replies 13 ·
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13

Find the marginal profit function given a function for demand and cost

  • Runaway
  • · Replies 3 ·
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3

How Do You Identify Critical Points in a Bounded Rectangle?

  • cdotter
  • · Replies 7 ·
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7

Another paracompactness problem

  • radou
  • · Replies 5 ·
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5

Which Points on an Ellipse Have Tangent Lines Passing Through (0,3)?

  • bajazu
  • · Replies 4 ·
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4

How Many Bank Accounts Have Deposits Below $1500?

  • safina
  • · Replies 1 ·
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1

Solving the Problem: ∑_(k=100)^200▒〖k^3〗

  • Dlak1992
  • · Replies 1 ·
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1

Finding Perpendicular Vectors in R^4 Using Gaussian Elimination

  • Punkyc7
  • · Replies 4 ·
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4

Calculating the Integral of Electric Field Wavefunctions

  • ilvreth
  • · Replies 16 ·
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16

Infinite Summation: Solving xln(a)^n/n!

  • theJorge551
  • · Replies 8 ·
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8

Need clarification on limit of sequence.

  • Samuelb88
  • · Replies 3 ·
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3

Expanding 6x^2 in Terms of Legendre Polynomials

  • blueyellow
  • · Replies 1 ·
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1
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3

Calculate a Triple Integral using the cylindrical coordinate system

  • Gabry89
  • · Replies 20 ·
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20

Differentiating Complex Exponentials

  • Matty R
  • · Replies 4 ·
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4

Tangent Line Calculation for Ellipse (x^2 + 7y^2 = 8) at Point (3,0)

  • Rossinole
  • · Replies 17 ·
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17
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8

Cylindrical and spherical coordinates

  • atomqwerty
  • · Replies 2 ·
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2

Using Maclaurin's theorem to estimate second derivative

  • Roomie
  • · Replies 6 ·
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6

Tangent Space and Manifold of a Cubic Surface

  • atomqwerty
  • · Replies 2 ·
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2
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7

Differential Equation dy/dx + yf'(x) = f(x).f'(x)

  • zorro
  • · Replies 3 ·
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3

Symmetric Matrix and Definiteness

  • MikeDietrich
  • · Replies 3 ·
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3

Find an example for 2 planes with parameters

  • gipc
  • · Replies 4 ·
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4

Suppose X and Y are independent Poisson random variables,

  • TomJerry
  • · Replies 1 ·
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1

Solving Polynomial Question with Gauss Method

  • iPanos
  • · Replies 2 ·
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2

Find Maximum Value of f(x)+x | Derivative Question

  • Clu2.0
  • · Replies 5 ·
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5

Shriking a point-finite open cover

  • radou
  • · Replies 8 ·
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8

Proving (x_k+1, . . . , x_n) forms a basis for V/kerT

  • HyperbolicMan
  • · Replies 3 ·
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3

X is normally distributed and the mean of X

  • TomJerry
  • · Replies 2 ·
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2

A position vs time graph (velocity graph) and a few questions that go with it

  • smileyfacer50
  • · Replies 1 ·
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1

Prove that the functin is differentiable at (0, ,0).

  • michonamona
  • · Replies 5 ·
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5

What is the Limit of a Composite Function?

  • goodheavens
  • · Replies 5 ·
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5

Related Rates-Conical Reservoir

  • amme636
  • · Replies 3 ·
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3

Imbedding of a compact Hausdorff space

  • radou
  • · Replies 2 ·
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2

Writing Energy Change in Calculus Notation

  • GreenPrint
  • · Replies 3 ·
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3

Algebra Question regarding adjacent transposition

  • sunnyday11
  • · Replies 3 ·
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3

Help simplifying this summation

  • robertdeniro
  • · Replies 6 ·
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6

Find Domain of F(x): Homework Statement

  • theJorge551
  • · Replies 8 ·
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8

Solving the Series: \sum\frac{6}{4n^2+1}

  • WarDieS
  • · Replies 5 ·
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5

What Are Physical Examples of Discontinuous Functions and Their Effects?

  • Ahsan2011
  • · Replies 2 ·
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2

Is Every Manifold Regular? A Proof Using the Hausdorff Condition

  • radou
  • · Replies 24 ·
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24

Calculate f''(x) & Error Order | Numerical Analysis

  • quantum220
  • · Replies 1 ·
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1

Differential equations- simultaneous equations

  • Jenkz
  • · Replies 1 ·
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1

Legendre differential equation- power series

  • Jenkz
  • · Replies 4 ·
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4

Solving Periodic Signals: Determine Fund. Period

  • DrunkEngineer
  • · Replies 2 ·
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2

Let x, where i = 1,2,3,,100 be indepenedent random variables

  • TomJerry
  • · Replies 2 ·
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2

Discontinuous Functions and Their Combinations: A Challenge in Continuity

  • mathkillsalot
  • · Replies 16 ·
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16

A financial differential equation

  • simpleuser
  • · Replies 3 ·
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3

How to Prove the Sign-Preserving Property for a Continuous Function?

  • goodheavens
  • · Replies 13 ·
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13
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5

Derivative of area =circumference

  • HyperbolicMan
  • · Replies 1 ·
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1

Find the Rate of Growth of a Leaking Oil Patch at 1900 Square Metres

  • Maatttt0
  • · Replies 2 ·
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2

Proving the volume of sphere using calculus

  • loba333
  • · Replies 7 ·
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7

Eigenvalues and Norms: Showing Existence of a Nonsingular Matrix

  • xeno_gear
  • · Replies 4 ·
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4

Are These Statements About Subsets of Vector Spaces True or False?

  • rainbowed
  • · Replies 4 ·
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4
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2

Differential eqn that has a uknown function of x

  • ankur29
  • · Replies 4 ·
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4

Finding Argument of Complex Number Given Equations

  • NEILS BOHR
  • · Replies 5 ·
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5

Splitting field of a polynomial over a finite field

  • resolvent1
  • · Replies 2 ·
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2

Is p(r) = (2/R²)r the Only Solution to the Integral Uniqueness Problem?

  • HyperbolicMan
  • · Replies 3 ·
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3
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2

Solving PDE Heat Equation for Temperature Distribution

  • josftx
  • · Replies 7 ·
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7