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

Complex Analysis, Complex Differentiable Question

  • BrainHurts
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Truth Sets for x and y in x^2 + y^2 < 50

  • talk2glenn
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4

Why Is the Absolute Value Function Not Differentiable at x=0?

  • welatiger
  • · Replies 7 ·
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7

Bijection between AuB and A with A infinite set and B enumerable set.

  • mahler1
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2

Nth Derivative of an Even Function

  • FeDeX_LaTeX
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3

What is Hyperbolic Cosine Used for?

  • alech4466
  • · Replies 9 ·
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9

Proving that limit of 1/x as x approaches 0 does not exist

  • Seydlitz
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2
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22

Showing that a particular G_delta set exists with a measure property

  • jdinatale
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1

Does this just mean...matrices?

  • Jbreezy
  • · Replies 9 ·
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9

Vector Geometry find cross product.

  • Unart
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4

Is this Factorial Sequence Increasing, Decreasing, or Neither?

  • Jimbo57
  • · Replies 12 ·
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12

Curl of a Gradient: Calculating in (x,y) Plane

  • yungman
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3

Prove that no group of order 160 is simple

  • Boorglar
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2

Existence of solution legendre equation

  • saxen
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Finding area using double integral

  • Lorenc
  • · Replies 1 ·
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1

Solving a Mysterious Double Integral: Help Needed!

  • Lorenc
  • · Replies 1 ·
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1

Proof on Linear 1st Order IVP solution being bounded

  • marvalos
  • · Replies 5 ·
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5

Finding f(2) - Functional equation question

  • Saitama
  • · Replies 15 ·
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15

The Logistic Equation (from a video)

  • smutangama
  • · Replies 4 ·
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4

Sum of a serie involving Fourier coefficients

  • Mathitalian
  • · Replies 4 ·
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4

Infinite sets statements equivalence

  • mahler1
  • · Replies 4 ·
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4

Prove only group homomorphism between Z5 and Z7 is the trivial one.

  • mahler1
  • · Replies 4 ·
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4

Integral to find the volume of a torus

  • togame
  • · Replies 3 ·
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3

Question on Ordinary Differential Equation (ODE)

  • a150daysflood
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2

Proof in relation with totally and partially ordered sets

  • mahler1
  • · Replies 1 ·
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1

Simple Calculus Question: Differentiating Square Root Fraction

  • nil1996
  • · Replies 4 ·
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4

Show that limit set of dynamical system is closed

  • saxen
  • · Replies 6 ·
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6

Flux through a square and rectangle

  • bowlbase
  • · Replies 2 ·
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2

Integrating u(t)^2: A Shortcut to Finding Fourier Coefficients?

  • Mathitalian
  • · Replies 8 ·
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8
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13

Orthogonality condition for disimilar Bessel functions

  • itisali
  • · Replies 4 ·
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4

Laplace transform of unit step function

  • Icetray
  • · Replies 5 ·
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5

The Lie bracket of fundamental vector fields

  • ubugnu
  • · Replies 1 ·
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1

Transition matrix and rational canonical form

  • Artusartos
  • · Replies 1 ·
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1

Calculus problem involving finding coordinates

  • 5ymmetrica1
  • · Replies 10 ·
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10

Application of orthogonality condition

  • itisali
  • · Replies 6 ·
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6
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8

What is the Inverse of a Cubic Function?

  • tg43fly
  • · Replies 2 ·
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2

Application of Cauchy's residue theorem

  • lyranger
  • · Replies 4 ·
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4

Why are those two events not independent?

  • cdux
  • · Replies 5 ·
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5

Antiderive complex function f(z) and express as power series

  • Jd303
  • · Replies 5 ·
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5

Prime p divides order of group

  • mahler1
  • · Replies 5 ·
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5

Using double integration in finding volume of solid bounded by curves?

  • ichilouch
  • · Replies 2 ·
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2

Applying Newton's Method without the need of a calculator

  • miniradman
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4

Plotting isoclines corresponding to slopes m = +1 and m -1?

  • sinbad30
  • · Replies 1 ·
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1

Parametrize plane-sphere intersection

  • mahler1
  • · Replies 5 ·
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5

Showing that a continuous function achieves a maximum implies compact

  • jdinatale
  • · Replies 1 ·
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1

Mechanics, rewrite and solve equation, change of variables.

  • fed_ex
  • · Replies 3 ·
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3

Can this integral be done using elementary techniques?

  • Bipolarity
  • · Replies 4 ·
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4

How do these operations with Del operator work?

  • supermiedos
  • · Replies 7 ·
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7

At what times are the velocity and acceleration perpendicular?

  • Daniel Luo
  • · Replies 5 ·
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5

Show that if f: A→B is surjective and and H is a subset of B, then f([

  • Scienticious
  • · Replies 4 ·
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4

Solution to y+2y'+3y=sin(t)+δ(t-3∏); y(0)=0, y'(0)=0

  • Success
  • · Replies 13 ·
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13

Is T^n Linear When T is Linear?

  • cristina89
  • · Replies 4 ·
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4

Finding the basis for a vector space

  • aanandpatel
  • · Replies 4 ·
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4

Find the inverse Laplace transform?

  • Success
  • · Replies 3 ·
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3

Mathematical Induction where the base case starts above 1

  • gottfried
  • · Replies 6 ·
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6

Integration with Trig Sub: Simplifying the Square Root

  • jhahler
  • · Replies 4 ·
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4

Limiting Logarithm: x→0+ log(x-1+√(x^2+1))-logx

  • tylersmith7690
  • · Replies 12 ·
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12
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6

Applying the definition of a limit

  • sinbad30
  • · Replies 1 ·
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1

Inverse Laplace Transform of this expression?

  • supermiedos
  • · Replies 7 ·
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7

Integration (fromula of reduction)

  • Miike012
  • · Replies 5 ·
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5

Inverse function of a two variable function

  • misterau
  • · Replies 4 ·
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4

I don't get this integral at all.

  • cdux
  • · Replies 9 ·
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9

Evaluating the Limit of cos(3x)-cos(4x)/x^2: The Squeeze Theorem

  • tylersmith7690
  • · Replies 3 ·
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3

Solve Sequence Problem: Limit of an as n→∞

  • tylersmith7690
  • · Replies 3 ·
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3

Continuity of f(x)=piecewise function

  • tylersmith7690
  • · Replies 7 ·
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7

Evaluation of Limit of Piecewise function help needed

  • kashan123999
  • · Replies 8 ·
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8

Integral on domain equals minus integral on the reverse domain?

  • isalloum4
  • · Replies 8 ·
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8

Strange square matrix question

  • Jbreezy
  • · Replies 3 ·
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3

Maxima and Minima of a function of several variables

  • Sly37
  • · Replies 4 ·
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4

Proving a Trigonometric Inequality: Cosθ < (Sinθ)/θ < 1/Cosθ

  • isalloum4
  • · Replies 8 ·
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8

Arc Length of Parametric Curve: t = 0 to t = 1

  • sassafrasaxe
  • · Replies 3 ·
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3

Gradient: \vec F(x'y'z') & g(x,y,z) - Am I Correct?

  • yungman
  • · Replies 11 ·
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11

Continuity of a Rational Function at a number help

  • kashan123999
  • · Replies 5 ·
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5

Finding the value of combination using integration

  • songoku
  • · Replies 10 ·
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10

Help proving some basic properties of relations

  • privyet
  • · Replies 3 ·
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3

Suppose that f is an injection. Show that f-1(f(x)) = x for all x in D

  • Scienticious
  • · Replies 2 ·
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2

Apostol calculus volume 1, Solutions to the exercises in the book.

  • isalloum4
  • · Replies 1 ·
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1

An elementary analysis problem that I would like a hint on.

  • jdinatale
  • · Replies 5 ·
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5

Show that if f: A → B is injective and E is a subset of A, then f −1(f

  • Scienticious
  • · Replies 7 ·
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7

Matrix maybe it can go in precalc section ?

  • Jbreezy
  • · Replies 9 ·
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9

Calculating Probabilities for X and Y Normal Distributions

  • joemama69
  • · Replies 7 ·
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7

Find the interval for a valid x between a & b.

  • Gliese123
  • · Replies 12 ·
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12

Maximize two variable equation

  • malaclemys
  • · Replies 5 ·
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5

Multivariable calculus, extremes problem

  • mahler1
  • · Replies 10 ·
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10

Area Of An Isosceles Triangle As A Function Of Theta

  • Bashyboy
  • · Replies 3 ·
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3
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7
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6

Simple Partial Differentiation Question

  • Vagrant
  • · Replies 2 ·
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2

Verify Greens theorem half done

  • Jaqsan
  • · Replies 4 ·
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4

Question on Euler's method - Calculations using rounded numbers? HELP

  • joshuad
  • · Replies 3 ·
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3

How to Simplify the Solution of a Definitive Integral?

  • Djokara
  • · Replies 5 ·
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5

Laplace transform,partial fraction problem

  • ttsky
  • · Replies 7 ·
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7

Calculating x for Perpendicular Vectors A and B: Dot and Cross Product Homework

  • Outrageous
  • · Replies 10 ·
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Distance between point and set

  • saxen
  • · Replies 4 ·
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4

Question in divergence and curl

  • yungman
  • · Replies 3 ·
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3