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

How many one-to-one functions f are possible?

  • snipekiller
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2

Ring problem: nilpotent elements and units

  • rachellcb
  • · Replies 2 ·
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2

Show that metrics d_1,d_2 are equivalent

  • Ratpigeon
  • · Replies 5 ·
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5

Inverse Fourier, can't factor denominator, can't use partial frac.

  • fishingspree2
  • · Replies 2 ·
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2

Science and engineering math: non-homogeneous differential equation

  • chatterbug219
  • · Replies 11 ·
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11

Fourier transform, complex exponential and infinity

  • fishingspree2
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2

Continuous functions on intervals

  • kingstrick
  • · Replies 14 ·
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14

Continuous Functions: Uniform Continuity

  • kingstrick
  • · Replies 13 ·
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13

Integrating x-y Along Contour: Step-by-Step Guide

  • Polamaluisraw
  • · Replies 8 ·
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8

Equivalent conditions on a metric space

  • Adorno
  • · Replies 14 ·
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14

Derivative product rule and other rule proofs.

  • mtayab1994
  • · Replies 9 ·
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9

A functional depending upon x and y'(x)

  • mistereko
  • · Replies 1 ·
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1

What is the basis for W perp in the Gram Schmidt process?

  • triucsd
  • · Replies 7 ·
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7

Multivariable limits (NOT TO THE ORIGIN)

  • mirajshah
  • · Replies 9 ·
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9

What is the Binomial Formula in Matrices without Evaluating Determinants?

  • Crution
  • · Replies 2 ·
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2

Max/Min in Calc III- Confused about relation between equations logic?

  • giacomh
  • · Replies 1 ·
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1

Variance of the sum of random independent variables

  • dipole
  • · Replies 2 ·
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2

Missing Solutions Homework: Find 1-Param Family for DE

  • roam
  • · Replies 19 ·
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19

SI and Gaussian unit conversion in electrodynamics

  • jaobyccdee
  • · Replies 2 ·
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2

Discrete Math Question ( not really homework) about strong induction

  • geforce
  • · Replies 1 ·
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1

Science & engineering math: integro-differential equation

  • chatterbug219
  • · Replies 7 ·
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7

Reverse the order of integration?

  • turbokaz
  • · Replies 1 ·
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1

Linear transformation with standard basis

  • foreverdream
  • · Replies 6 ·
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6

Finding a function from its MacLaurin series?

  • Xevrex
  • · Replies 1 ·
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1

Proving the Existence of Prime Divisors for Composite Numbers

  • FreshUC
  • · Replies 7 ·
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7

Homomorphism of a cyclic subgroup is a cyclic subgroup ?

  • Leb
  • · Replies 5 ·
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5

Proof: Cosets equal or disjoint

  • Leb
  • · Replies 2 ·
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2

If P is normal in H, and H normal in G, then P is normal in G

  • mathgirl313
  • · Replies 12 ·
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12

Limits for double integral over trapezoidal shape

  • dva
  • · Replies 1 ·
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1

Basis functions of a differential equation, given boundary conditions

  • rdfloyd
  • · Replies 2 ·
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2

Finding Eigenvalues and C1 & C2

  • DrunkApple
  • · Replies 4 ·
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4

Proving the triangle inequality property of the distance between sets

  • jdinatale
  • · Replies 5 ·
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5

Linear Algebra question regarding Matrices of Linear Transformations

  • psychosomatic
  • · Replies 2 ·
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2

Complex Analysis - Proving an analytic function f(z) is constant

  • Daized
  • · Replies 3 ·
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3

Proof of exchangeability in matrix multiplications with Identity matrix I

  • Crution
  • · Replies 17 ·
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17

Series expansion of function of two variables

  • JesseC
  • · Replies 2 ·
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2

[LOGIC] Prove if y + (-x) = 0 then y = x

  • Firepanda
  • · Replies 5 ·
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5

Science and engineering math: Difference equation, non-homogeneous

  • chatterbug219
  • · Replies 6 ·
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6

The Jacobi Iterative method question

  • Spectre Moncy
  • · Replies 2 ·
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2

Mapping a matrix to the null space

  • jaobyccdee
  • · Replies 3 ·
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3

Property of correlation coefficient

  • Max.Planck
  • · Replies 2 ·
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2

Let v(x,t) = u(x+ct) and show that

  • jpcjr
  • · Replies 4 ·
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4

Question on nonlinear dynamics

  • JuanYsimura
  • · Replies 1 ·
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1

Does the Divergence of ∑b_n Imply ∑a_n Also Diverges?

  • Bigworldjust
  • · Replies 1 ·
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1

Determine if integral is convergent or divergent?

  • theBEAST
  • · Replies 4 ·
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4

Liouville's theorem (extended) proof

  • d2j2003
  • · Replies 2 ·
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2

Convexity & Strict Convexity of Functionals (function of a function)

  • kingwinner
  • · Replies 4 ·
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4

Finding Surface Area of Sphere with Illuminated Light Question

  • zachem62
  • · Replies 6 ·
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6

Finding convergence/divergence of improper integral

  • IntegrateMe
  • · Replies 6 ·
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6

Complex Analysis - Finding the equation of a circle

  • NewtonianAlch
  • · Replies 4 ·
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4

Why Is My Calculation of Curl (A X B) Incorrect?

  • sravan_r
  • · Replies 1 ·
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1

Implicit Differentiation concept help?

  • shocklightnin
  • · Replies 5 ·
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5

Proving If GCD(a,b) = c Then c^2/ab

  • FreshUC
  • · Replies 4 ·
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4

Proving g°f is Onto: Showing the Ontoness of Composed Functions

  • charmedbeauty
  • · Replies 3 ·
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3

Question about isolated points.

  • cragar
  • · Replies 4 ·
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4

Is H a Subgroup of G in an Abelian Group?

  • jr16
  • · Replies 11 ·
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11

Drawing flow lines of an irrotational and sourceless flow

  • d2j2003
  • · Replies 9 ·
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9

[LOGIC] Proof by Induction in Peano Arithmetic

  • Firepanda
  • · Replies 2 ·
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2

Science & engineering math: system of differential equations

  • chatterbug219
  • · Replies 5 ·
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5

Show line through point that is tangent to f(x)does not exist

  • Painguy
  • · Replies 2 ·
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2
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1

Am I doing this right? Doesn't feel right. (find axis of rotation)

  • skyturnred
  • · Replies 3 ·
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3

Really simple question, but I'm having trouble grasping this

  • IntegrateMe
  • · Replies 3 ·
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3

Nested Open Sets: Example & Intersection

  • cragar
  • · Replies 7 ·
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7

Evaluate where F(x) is differentiable

  • sprite1608
  • · Replies 3 ·
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3

Using laplace transforms to solve system of (two) equations

  • fufufu
  • · Replies 5 ·
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5

Intuition and Proofs: A Scientist's Perspective

  • 3.141592654
  • · Replies 4 ·
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4

Two-Decimal Place Accuracy: Sum & Integral Solution

  • s3a
  • · Replies 1 ·
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1

How to Calculate the Mass of a Pyramid Using Triple Integrals?

  • 1MileCrash
  • · Replies 6 ·
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6

Integrating a trig function divided by a trig function

  • podcastube
  • · Replies 1 ·
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1

Why Do We Calculate the Probability of Phone Failure After Two Years?

  • IntegrateMe
  • · Replies 3 ·
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3

Finding the Residue of this function

  • d2j2003
  • · Replies 7 ·
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7

Compute the length of the cardioid below the x-axis?

  • IntegrateMe
  • · Replies 1 ·
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1

Heat Equation Homework: Find F(x,t)

  • Gregg
  • · Replies 17 ·
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17

Is the Power Set of Cartesian Products Correct?

  • charmedbeauty
  • · Replies 5 ·
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5

Actually calculating the Lebesgue Outer Measure of a set

  • jdinatale
  • · Replies 1 ·
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1

To show a ring of order p (prime) is isomorphic to the integers mod p.

  • rachellcb
  • · Replies 1 ·
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1

Proving x=y or x=-y from x2=y2.

  • mishima
  • · Replies 2 ·
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2

Show <a in D8 : a^2=1> is not a group

  • Daniiel
  • · Replies 1 ·
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1

Prove a limit using inequalities

  • Hernaner28
  • · Replies 1 ·
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1

Induction with sum on left and right side.

  • Tremoi
  • · Replies 1 ·
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1

First-order equations causing some trouble (for newbie)

  • Pzi
  • · Replies 2 ·
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2

Why Must t Be Greater Than Zero in This Differential Equation?

  • jwqwerty
  • · Replies 2 ·
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2

Showing a vector field is irrational on

  • tamintl
  • · Replies 2 ·
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2

Finding Coordinates of last Triangle Vertex

  • monch
  • · Replies 3 ·
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3

Number theory - quadratic residues

  • yeland404
  • · Replies 1 ·
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1

Confused about unit step function wrt laplace transforms

  • fufufu
  • · Replies 1 ·
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1

Derivative of this function please?

  • nesan
  • · Replies 7 ·
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7

Series Comparison Test for Sum of (1/(sqrt(n^2+1))) and (1/(2n))

  • theBEAST
  • · Replies 2 ·
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2

Finding integrading factor for differential equation

  • Lily@pie
  • · Replies 19 ·
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19

Amount of force on a trapezoidal surface following solution

  • IntegrateMe
  • · Replies 2 ·
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2

Master Trigonometry with These Essential Practice Questions

  • Michael_Light
  • · Replies 1 ·
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1

Prove by Induction the 11^(n+1)+12^(2n-1) is dvisible by 133.

  • teroenza
  • · Replies 6 ·
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6

Discrete math set theory sum problem

  • charmedbeauty
  • · Replies 17 ·
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17

Solve Cosine IND Limit Without L'Hospital

  • Hernaner28
  • · Replies 6 ·
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6

Taylor expansions in two variables

  • mimsy57
  • · Replies 2 ·
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2
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1

Solving an indeterminate 0/0 limit without L'Hospital

  • Hernaner28
  • · Replies 5 ·
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5

Proving the Limit of (z/\bar{z})2 Does Not Exist

  • Rubik
  • · Replies 3 ·
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3

Proving this meromorphic function has a primitive in punctured plane

  • Poopsilon
  • · Replies 6 ·
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6