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

Parametrics - intersection and collision

  • Pi Face
  • · Replies 2 ·
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2

What is the limit of sin^3x/(sinx - x) as x approaches 0?

  • Bohrok
  • · Replies 5 ·
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5

Linear Algebra - Column and Null Space - Take 2

  • vwishndaetr
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5

Determine convergence and divergence

  • ksr7202
  • · Replies 1 ·
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1

Differentials and paint needed problem

  • synergix
  • · Replies 7 ·
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7

Continuity question, show that f(x) = 1 - x

  • Nanatsu
  • · Replies 7 ·
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7

Triple integral with cylindrical coordinates

  • MasterWu77
  • · Replies 7 ·
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7
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5

Shhowing a map is well defined and bijective

  • bjogae
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2

Method of Undetermined Coefficients

  • polarbears
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1

How Do You Calculate y = 5 + 8x^(3/2) from 0 to 1?

  • Mugen Prospec
  • · Replies 10 ·
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10

Solving Orthogonal Matrix Homework w/ Symmetric Matrix

  • beetle2
  • · Replies 4 ·
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4

Derivative of Exponential Functions: Finding d(4e^5x)/dx

  • musicmar
  • · Replies 1 ·
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1

Pendulum - find maximum angular displacement

  • Lunadora
  • · Replies 5 ·
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5

Calculating impedance in complex number and polar form

  • dumbkiwi
  • · Replies 2 ·
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2

Expressing motor loads in polar form

  • dumbkiwi
  • · Replies 4 ·
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4

Show Rationals and Integers are not Isomorphic

  • miqbal
  • · Replies 2 ·
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2

How to Prove det(xIm - AB) = xm-ndet(xIn - BA)?

  • brru25
  • · Replies 1 ·
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1

Calculus Integration: Solving a Tricky Homework Problem

  • imataxslave
  • · Replies 4 ·
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4

Proving the Evenness of (\stackrel{2n}{n}) Using the Binomial Theorem

  • ipitydatfu
  • · Replies 2 ·
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2

Similar matrices = Same Eigenvalues (NO DETERMINANTS)

  • brru25
  • · Replies 12 ·
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12

How do I correctly prove the memoryless property of a geometric distribution?

  • cookiesyum
  • · Replies 1 ·
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1

Geometric vectors theory question

  • iamsmooth
  • · Replies 6 ·
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6

Diffrentiating Piecewise Function

  • RPierre
  • · Replies 2 ·
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2

System of 4 equations in 4 unknowns

  • kingwinner
  • · Replies 5 ·
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5

Finding a Unique Solution for a Polynomial Equation

  • robbycon
  • · Replies 4 ·
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4

How to Solve a 4th Order DE Using Laplace Transform?

  • monet A
  • · Replies 2 ·
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2
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1

Functional optimization problem

  • phreak
  • · Replies 3 ·
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3

Optimization of a folded piece of paper

  • doug1122
  • · Replies 1 ·
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1

Finding the Normal Plane to a Curve at a Given Point

  • Septcanmat
  • · Replies 7 ·
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7

How Does the Substitution x=es, y=et Transform the PDE for f(x,y)?

  • CrimsnDragn
  • · Replies 1 ·
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1

Find y such that cos y=cos(90+y) and −90degrees <= y <= 0degrees?

  • iamsmooth
  • · Replies 6 ·
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6

Parallel Normal Lines between y = sqrt(x - 1) and y = 1 - 2x

  • synergix
  • · Replies 9 ·
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9

Proof of a limit involving exponentials

  • phreak
  • · Replies 2 ·
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2

Cumulative Distribution Function of Distance

  • Kalinka35
  • · Replies 1 ·
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1

Integrate e^-a|x|: Troubleshooting & Solution

  • dotman
  • · Replies 1 ·
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1

Is There an Inequality Between L1 and L2 Norms?

  • roho
  • · Replies 3 ·
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3

Understanding the CDF & PDF of X's Difference

  • roemi
  • · Replies 5 ·
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5

Unitary Matrix, need to find eigen values/vectors

  • orbitsnerd
  • · Replies 3 ·
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3

Finding a and b for a point on a line in 3D space

  • iamsmooth
  • · Replies 5 ·
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5

Joint pdf/marginal/expectation related

  • markov4
  • · Replies 5 ·
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5
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1

Fixing MATLAB Error: P(1,0) Accessing Issue

  • sara_87
  • · Replies 10 ·
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10

Is There a General Method for Finding Polynomial Annihilators?

  • Mechdude
  • · Replies 1 ·
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1

Probability: unfair coin toss, probably pretty easy

  • SNOOTCHIEBOOCHEE
  • · Replies 7 ·
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7

Rank A Equal to Min k: Matrix in Mn(F) Proof

  • brru25
  • · Replies 2 ·
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2

Finding Eigenvalues for 3x3 Matrix

  • geft
  • · Replies 11 ·
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11

Distinct Cyclic Subgroups of D6 with Proper Subgroup Example

  • mariab89
  • · Replies 7 ·
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7

Could someone help with these beginner level math problems?

  • tädif
  • · Replies 2 ·
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2

Diff Eq - Should be easy, but my answer is upside down

  • Wildcat04
  • · Replies 2 ·
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2

Shear Stress Differential Equation

  • Wildcat04
  • · Replies 1 ·
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1

Induction: Absolute value of complex sequence

  • Combinatus
  • · Replies 3 ·
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3

Calculus I - Double Derivitive

  • RaptorsFan
  • · Replies 1 ·
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1

Does the parametric equation of a curve determine its containment in a plane?

  • hungryhippo
  • · Replies 16 ·
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16

Solve Difference Equation: Find β for x_k=x_{k-1}+x_{k-2}

  • jameswill1am
  • · Replies 1 ·
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1

Differentiation, Product Rule 3-terms

  • RaptorsFan
  • · Replies 2 ·
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2

What is the derivative of sin2x / (sin2x + secx) with respect to x?

  • RaptorsFan
  • · Replies 9 ·
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9

System of differential equations question

  • bitrex
  • · Replies 4 ·
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4

Find Max/Min of 2x + 6y + 10z Bounded by x^2 + y^2 + z^2 = 35

  • tnutty
  • · Replies 1 ·
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1

Australian HSC maths extension 2 test question

  • Mentallic
  • · Replies 2 ·
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2

Variation of parameters (Kinda having trouble with the integral)

  • atarr3
  • · Replies 2 ·
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2

Australian HSC mathematics extension 2 exam Polynomial

  • Mentallic
  • · Replies 4 ·
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4
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1

Normalizing an Orthogonal Basis

  • beetle2
  • · Replies 6 ·
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6

Discover the Properties of Triangle ABC: Vertices, Lengths, and Angles

  • shiri
  • · Replies 1 ·
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1

Series Solution to ODE IVP: How to Find Initial Values?

  • GRB 080319B
  • · Replies 1 ·
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1

Understanding Linear Algebra's Span Concept

  • Eiskrele
  • · Replies 4 ·
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4

Finding the absolute maximum and absolute minimum

  • meeklobraca
  • · Replies 5 ·
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5

Can M = N+1 if Distance Between Two Vectors = 1

  • brru25
  • · Replies 1 ·
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1

How do I Find the Right Delta for an Epsilon-Delta Proof?

  • nietzsche
  • · Replies 4 ·
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4

What is the limit of the derivative of sin x + cos x at x = pi?

  • justapurpose
  • · Replies 1 ·
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1

Proving Subspace Dimension Inequality: W <= V in Vector Space V

  • Dosmascerveza
  • · Replies 6 ·
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6

Having some trouble with the limit problems

  • you_of_eh
  • · Replies 1 ·
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1

Hyperbolic Functions: Graphs - question

  • Slimsta
  • · Replies 1 ·
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1

How Do You Calculate the Equations for Tangent and Normal Lines at a Point?

  • iamsmooth
  • · Replies 6 ·
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6
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5

Power Series with a funky denominator

  • NastyAccident
  • · Replies 6 ·
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6

Struggling with Limit Calculations in Math?

  • BuGzlToOnl
  • · Replies 5 ·
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5

How to Use Epsilon-Delta Definition of Limits to Prove Inequality?

  • zeebo17
  • · Replies 1 ·
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1

Solving Linear Systems Using Variation of Parameters

  • ravager1987
  • · Replies 1 ·
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1

Max/Min using Lagrange Multipliers: F(x,y) = x^2 + y^2 ; xy = 1

  • tnutty
  • · Replies 1 ·
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1

Existence of sup/inf in compact sets

  • dancergirlie
  • · Replies 6 ·
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6

Related rates problem (involving a cone)

  • Pupil
  • · Replies 3 ·
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3

How do I differentiate (x^(3)+2x) / (x^(2)-5)?

  • RaptorsFan
  • · Replies 3 ·
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3

Derivative ^x, is this correct?

  • neutron star
  • · Replies 3 ·
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3

Rotation Matrix: Calculating Angle & Direction of Rotation

  • breen155
  • · Replies 8 ·
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8

Infinite Series: ∑ (-1)^(n+1) cos(nx)

  • kingwinner
  • · Replies 16 ·
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16
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8

Singularities: Complicated function

  • libelec
  • · Replies 2 ·
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2

Maximum Angle of Elevation for Lighthouse Light?

  • undrcvrbro
  • · Replies 2 ·
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2

Proof of Convexity for Power Function with Positive Exponent

  • lom
  • · Replies 1 ·
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1

Number Theory Homework: Prove ((2^m)-1) Not Divisor of ((2^n)+1)

  • halvizo1031
  • · Replies 2 ·
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2

Proving the One Sided Limit Theorem: A Rigorous Approach

  • RPierre
  • · Replies 4 ·
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4

Heat Equation with insulated endpoints.

  • Kizaru
  • · Replies 1 ·
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1

Fun integration for a differential equation

  • Bad-Wolf
  • · Replies 5 ·
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5

Why Do Time Constants Differ for Rising and Falling Water Levels in a Tank?

  • getthoboy
  • · Replies 8 ·
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8

Point on surface closest to origin.

  • mathman44
  • · Replies 4 ·
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4

Parameterizing Circle of Radius 3 Around (3,4)

  • Somefantastik
  • · Replies 3 ·
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3

Revolution of a curve along a axis

  • kazthehack
  • · Replies 4 ·
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4