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

Half life and decay differential EQ problem

  • Sneakatone
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How to prove that the L2 norm is a non-increasing function of time?

  • Su3liminal
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3

Deriving the Angular Momentum of a Particle: Proof of Differentiation

  • solarei
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3

Optimal Trajectory, bounded end point

  • Number2Pencil
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5

Conformal Mapping: Find Points of Z Plane for f(z)=-(1-z)/(1+z)

  • KleZMeR
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7

Solve the initial-value problem

  • _N3WTON_
  • · Replies 6 ·
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6

Statistics Sum of Squares x*y Proof

  • laz0r
  • · Replies 14 ·
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14

Changing limits of integration - definite integral (without u sub)?

  • aristotle_sind
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6

Solving a Limit Problem: Can't Grasp the Solution

  • Tbarqawi
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5

Logic behind the Lifting Water problem

  • Vlykarye
  • · Replies 6 ·
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6

Proving each nonzero element of a subfield of C has an inverse

  • MissMoneypenny
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5

Parabolic pde with additional term

  • idraftscience
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2

Calculating Curvature of Non-Unit-Speed Curve Using a Trig Identity

  • Shackleford
  • · Replies 15 ·
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15

Probability Problem (Uniform Distribution)

  • Debdut
  • · Replies 7 ·
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7

Finding a differential equation of a growing object

  • coolusername
  • · Replies 9 ·
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9

Sum of discrete uniform random variables

  • avidaware
  • · Replies 1 ·
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1

Linear combinations of 3 non-parallel vectors in 2D Euc.-space

  • Alephu5
  • · Replies 7 ·
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7

Original function with inverse

  • MathewsMD
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1

Using shell method to find the volume of a solid

  • mmont012
  • · Replies 1 ·
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1

Complex analysis - an integral with branch cuts

  • Loro
  • · Replies 2 ·
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2

Integrating Factor Method: Finding the Solution to a Cosine Equation

  • _N3WTON_
  • · Replies 9 ·
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9

Finding Integrals of Non-Elementary Functions

  • Gwozdzilla
  • · Replies 9 ·
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9
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1

Calculus intuitive and physical approach - me understand.

  • christian0710
  • · Replies 5 ·
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5

Particle Motion Along a Straight Line

  • jdawg
  • · Replies 3 ·
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3

Regarding volume of an ellipsoid bounded by 2 planar cutting planes

  • Corse
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4
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1

Show the relation is an implicit solution of the DiffEQ

  • _N3WTON_
  • · Replies 2 ·
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2

Is this induction proof correct?

  • johann1301
  • · Replies 3 ·
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3

Prove that sqrt(2) is irrational using a specific technique

  • MissMoneypenny
  • · Replies 6 ·
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6

Finding the Slope of a Polar Curve at a Given Point

  • spinnaker
  • · Replies 4 ·
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4

PMF of X for Airport Metal Detector Activations

  • joemama69
  • · Replies 6 ·
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6

Finding minimum variable's density function

  • wldnrp13579
  • · Replies 4 ·
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4

Does Integral Zero Imply Function Zero?

  • RJLiberator
  • · Replies 10 ·
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10

Polar Arc Length: Solve Integral of r=6cos6θ

  • spinnaker
  • · Replies 2 ·
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2

Reliability of a system (with simple "complex" configuration)

  • kalizazzz623
  • · Replies 8 ·
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8

Integration by Parts: Solve ∫cos(x)cos(kx)dx

  • 8700
  • · Replies 8 ·
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8

Find the p.d.f of y from p.d.f of x

  • wldnrp13579
  • · Replies 2 ·
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2

Convert a polynomial to hypergeometric function

  • azizianhra
  • · Replies 5 ·
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5

Complex Conjugate of f(z) = -(1-z)/(1+z)

  • KleZMeR
  • · Replies 4 ·
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4

Solving for p at (0,0): Origin Singularity in f(x_1,x_2)

  • Number2Pencil
  • · Replies 8 ·
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8

Heat equation in one dimension with constant heat supply

  • V0ODO0CH1LD
  • · Replies 1 ·
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1

Solve Equation: Get f(t) from Af(t)+Bf(t)^C=Dsin(ωt)

  • skrat
  • · Replies 5 ·
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5

Volume by washer or shell help

  • TheKracken
  • · Replies 3 ·
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3

Why Does Substitution Fail in Solving Differential Equations?

  • shreddinglicks
  • · Replies 7 ·
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7

Set of all points within a distance of 1 from the box?

  • robertmatthew
  • · Replies 18 ·
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18

Confidence interval for a cohort

  • Mogarrr
  • · Replies 10 ·
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10

Subgroup proof - is this even true?

  • 1MileCrash
  • · Replies 2 ·
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2

Formula of an inverse function

  • wertlewoo2
  • · Replies 4 ·
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4

Is This the Correct Approach to Solving Partial Differential Equations?

  • mirinmari0
  • · Replies 1 ·
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1

Curvilinear basis in spherical polar coordinates

  • asdfghhjkl
  • · Replies 2 ·
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2

Questions regarding properties

  • MathewsMD
  • · Replies 1 ·
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1

Integrating question but withe error

  • MathewsMD
  • · Replies 1 ·
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1

Find parametric equations for the tangent line

  • Yae Miteo
  • · Replies 3 ·
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3

Motion in Plane: Find Equations, Velocity & Acceleration Vectors

  • jdawg
  • · Replies 2 ·
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2

Calculating Standard Deviation for a Sample Mean

  • bonfire09
  • · Replies 2 ·
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2

Linear Algebra orthogonal basis and orthogonal projection

  • infinitylord
  • · Replies 13 ·
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13

Where am i going wrong? partial fraction question

  • braceman
  • · Replies 8 ·
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8

Cauchy - Riemann Function in terms of Z

  • KleZMeR
  • · Replies 3 ·
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3

Finding the Nonzero Vector and Area of Triangle

  • Physicsnoob90
  • · Replies 2 ·
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2

Show lim (as n->inf) of 1/n*{2n/(2n+1)}^2 exists without finding limit

  • natasha13100
  • · Replies 5 ·
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5

Average value and probability density

  • andre220
  • · Replies 7 ·
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7

Separate Sine Function with Complex Numbers

  • KleZMeR
  • · Replies 10 ·
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10

Probability most probable value

  • mahler1
  • · Replies 1 ·
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1

What is the vector function for the intersection of a cone and a plane?

  • Yae Miteo
  • · Replies 4 ·
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4

How Do You Solve This Tricky Differential Equation Problem?

  • cklabyrinth
  • · Replies 3 ·
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3

Rotation of Axes: Homework Statement & Equation Solution

  • Ledsnyder
  • · Replies 2 ·
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2

Help with Cylinder Volume Calculation: Part C

  • squelch
  • · Replies 7 ·
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7

Integral x^2*e^(-x^2) running into error function

  • oddjobmj
  • · Replies 7 ·
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7

Mathematica: Illustrate a 3D vector field

  • skrat
  • · Replies 1 ·
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1

Need Help With a Separable Differential Equation

  • cklabyrinth
  • · Replies 4 ·
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4

Rotation of Axes: 5x^3+10x^2+20x+15

  • Ledsnyder
  • · Replies 3 ·
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3

Solving ∫f(x)dx+f'(x)+rg'(r)-g(r)=0 for f and g

  • Baashaas
  • · Replies 6 ·
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6

Instantaneous Velocity of Particle at t=1 with s(t) = 2t2-4t

  • Speedking96
  • · Replies 2 ·
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2

Please verify a problem on Groups and permutations

  • PcumP_Ravenclaw
  • · Replies 5 ·
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5

How do I finish this polar equations problem?

  • shreddinglicks
  • · Replies 1 ·
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1

Linear Algebra: Find a formula for a matrix M to any power

  • Neutrinogun
  • · Replies 1 ·
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1

Diagonalizing matrix in a vector equation

  • Sergey S
  • · Replies 12 ·
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12

Really fundamental cross/dot product questions

  • CookieSalesman
  • · Replies 2 ·
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2

Proving Properties of Dyadic Cubes in Real Analysis

  • nateHI
  • · Replies 2 ·
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2

Curl of a vector using indicial notation

  • jbrisby
  • · Replies 5 ·
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5

Why is cos(t)(cos(wt) - jsin(wt)) considered negligible in integration?

  • Gliese123
  • · Replies 4 ·
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4

Expand f(x)=x^3 in Fourier Sine Series: Step by Step Guide

  • 8700
  • · Replies 30 ·
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30

Complex Conjugate Vector Space

  • dkotschessaa
  • · Replies 3 ·
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3

How to prove solution to Fick's second law by substitution

  • neromax
  • · Replies 4 ·
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4

Simplify with Trigonometric Identities

  • KleZMeR
  • · Replies 3 ·
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3

Relations, power sets and the empty/null set.

  • pandaBee
  • · Replies 1 ·
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1

Either the question is wrong or I'm missing something obvious

  • pasmith
  • · Replies 1 ·
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1

What Is the Method to Complete the Square in Algebra?

  • shreddinglicks
  • · Replies 6 ·
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6

Integral with e^x: Solving for ln(e^2x + 1)

  • Michael Gulley
  • · Replies 4 ·
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4

Steps to differentiate a geometric sum

  • Crystals
  • · Replies 5 ·
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5

Vector Calculus Identites Question

  • jamesdocherty
  • · Replies 3 ·
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3

Derivation step in ODE solution in textbook

  • D_Tr
  • · Replies 2 ·
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2

If 0<x<y and 0<a<b then ax<yb proof.

  • skippenmydesig
  • · Replies 17 ·
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17

Calculus 1 Homework problem - Find limit without L'Hospital's Rule

  • Chronogallant
  • · Replies 5 ·
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5

Let S be the subset of group G that contains identity element 1?

  • Murtuza Tipu
  • · Replies 2 ·
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2

What is the arc length parametrization of α(t) and why is the s so tiny?

  • Shackleford
  • · Replies 8 ·
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8

Proof that f(z) is in no point analytic

  • jennyjones
  • · Replies 4 ·
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4

Finding K for integral approximation errors help

  • LBK
  • · Replies 4 ·
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4

Help me proove absolute value inequalities and Solve an Integral

  • RJLiberator
  • · Replies 6 ·
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6