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

Equation for a plane through 2 points

  • Punkyc7
  • · Replies 12 ·
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12

Prove 1-sinA/1-secA - 1+sinA/1+secA = 2cotA(cosA-cosecA)

  • hobomoe
  • · Replies 10 ·
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10

Why does (dr)^2 equal 0 in the differential element equation?

  • Apphysicist
  • · Replies 3 ·
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3

Limit of ((x^3 + (4x^2)y)/(x^2+2y^2)) as (x,y)->(0,0)

  • adron
  • · Replies 3 ·
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3

Line Integral Question (Vertical line issues)

  • Lothar
  • · Replies 1 ·
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1

Evaluating, Integral |f(x)|dx?

  • GreenPrint
  • · Replies 3 ·
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3

Calculus - derivatives of xtan(x)

  • jendoley
  • · Replies 4 ·
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4

Commutators spanning the matrices

  • hkus10
  • · Replies 1 ·
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1

Finding two points on the vector joining two lines

  • aeromat
  • · Replies 1 ·
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1
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2

Related Rates air in a balloon

  • AmiraM
  • · Replies 5 ·
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5

Power Series Recurrence Relation Problem

  • jegues
  • · Replies 1 ·
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1

How to Approach Solving Set Theory Equalities

  • racshot65
  • · Replies 1 ·
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1

How to graph tangent plane and surface

  • JosephK
  • · Replies 3 ·
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3

Integration by Parts: Solving Homework Statement

  • erok81
  • · Replies 7 ·
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7

Integrating zdS on a Sphere Centered at Origin

  • Smusko
  • · Replies 6 ·
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6

Inequality with the mean value theorem

  • icystrike
  • · Replies 6 ·
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6

How Do You Prove the Vector Triple Product Identity?

  • zanazzi78
  • · Replies 11 ·
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11

Two Variable Limit: Is "0,0" Available?

  • imana41
  • · Replies 28 ·
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28
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2

First oreder linear ODE NONHOMOGENEOUS

  • pat666
  • · Replies 9 ·
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9
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7
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6

Solve e^z=1: Complex Solutions

  • wany
  • · Replies 7 ·
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7

Ralphson-Newton Method And Interval Bisection

  • Procrastinate
  • · Replies 1 ·
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1

Trigonometric Limits: Find xsin(1/(x^2)) Limit as x->0

  • *FaerieLight*
  • · Replies 3 ·
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3
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4

Logarithmic Differentiation for y=x^{sin(x)}

  • crybllrd
  • · Replies 2 ·
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2

Volume of Revolution: Cylinders vs Washers

  • Asphyxiated
  • · Replies 2 ·
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2

Volume of a Solid Bounded by Planes

  • shards5
  • · Replies 4 ·
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4

Question about the comparison test

  • vande060
  • · Replies 3 ·
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3

Cosine Series Sketch and Calculate

  • jegues
  • · Replies 7 ·
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7

Iterated Integral Homework: Evaluate I=∫01∫1+y1-y(6y2+10x)dxdy

  • shards5
  • · Replies 3 ·
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3

Ortogonal subspace proof - Leon 5.2

  • IntroAnalysis
  • · Replies 3 ·
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3

Modifying integral so that it matches the table

  • Saladsamurai
  • · Replies 6 ·
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6

Really stuck computing orthogonal complement?

  • physman55
  • · Replies 8 ·
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8

A shell method (calculus) question?

  • jcfor3ver
  • · Replies 1 ·
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1

Proof of Convergence of Matrix Exponential Series

  • rayman123
  • · Replies 4 ·
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4

Very Difficulty Differential Equation

  • kamdad
  • · Replies 2 ·
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2

Algebra: Proving (a^2,b^2)=1 Using GCD Proof

  • maphec
  • · Replies 2 ·
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2

Right translations of orthonormal bases.

  • Kreizhn
  • · Replies 8 ·
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8

Proving Well-Ordered Subsets of Real Numbers

  • srfriggen
  • · Replies 8 ·
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8

Convergence or Divergence of a Series with Sinusoidal General Term

  • the_storm
  • · Replies 4 ·
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4

Solving a Non-Linear ODE: What Method Should I Use?

  • lkh1986
  • · Replies 3 ·
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3

Can a set be connected without being polygonally-connected?

  • Bachelier
  • · Replies 8 ·
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8

Flipping coins that gain and lose

  • ProbProblems
  • · Replies 1 ·
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1

Recursively defined induction and monotonic sequences converging

  • irebat
  • · Replies 4 ·
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4
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8

Continuity of the Dirichlet function

  • daolian89
  • · Replies 1 ·
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1

.What is the remainder when dividing 38^213 by 13?

  • talolard
  • · Replies 1 ·
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1

How to Use Trig Substitution for Integrals Involving (x²-a²)

  • maff is tuff
  • · Replies 5 ·
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5

Let G be a group and H a subgroup. Prove if [G:H]=2, then H is normal.

  • mathmajor2013
  • · Replies 7 ·
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7

More fun with lagrange multipliers

  • hiigaranace
  • · Replies 6 ·
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6

Is f a Surjective and Injective Isomorphism from HxN to HN in G?

  • mathmajor2013
  • · Replies 5 ·
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5

How to determine a basis given a set of vectors?

  • dmitriylm
  • · Replies 3 ·
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3

What is a separable Hausdorff subspace and how can it be demonstrated?

  • tylerc1991
  • · Replies 1 ·
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1

Solving Integrals: Proofing I_n = I_{n-1} (n-1)/(n+2)

  • SqueeSpleen
  • · Replies 7 ·
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7

Equation of a plane passing through a Point

  • Punkyc7
  • · Replies 1 ·
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1

What are the integrals for a square with complex number corners?

  • jaci55555
  • · Replies 1 ·
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1

Double Integral - Evaluate ∫∫D xy dA

  • shards5
  • · Replies 4 ·
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4

Finding the Volume of a Rotated Solid Using Partial Fractions

  • philsgirl2008
  • · Replies 1 ·
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1

Orthogonal wrt to linear polynomial(s)

  • jegues
  • · Replies 2 ·
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2

Line Integral: Evaluating Along Circular Path from P1 to P2

  • Cryphonus
  • · Replies 2 ·
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2

Understanding Coordinate Frames on Manifolds

  • Tedjn
  • · Replies 2 ·
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2

Unique abelian group of order n

  • hmw
  • · Replies 2 ·
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2

Real Analysis (Cantors Diagonalisation?)

  • patata
  • · Replies 1 ·
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1

Particular Solution of an Inhomogeneous Second Order ODE

  • 0131413
  • · Replies 3 ·
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3
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1

Partitioning Generating Functions

  • Shoney45
  • · Replies 2 ·
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2

Maximize Revenue: Oil Price & Barrels Sold

  • kristy.ss
  • · Replies 1 ·
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1

Impossible Integral: Integrate 1/(x^2-1)^0.5

  • Badrakhandama
  • · Replies 1 ·
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1

How are Stereographic Projections Derived in Differential Geometry?

  • niall14
  • · Replies 4 ·
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4

Can Cos((Cos-1(2x-1))/2) Be Simplified to x?

  • phymatter
  • · Replies 5 ·
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5

Integrating cos^{2m}(\theta) cos(2\theta) in Terms of A

  • icystrike
  • · Replies 6 ·
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6

Is x/(1+e^(1/x)) differentiable at x=0

  • phymatter
  • · Replies 11 ·
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11

Topology: Subset of A Continuous Function

  • darkchild
  • · Replies 8 ·
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8

Coulomb's Law - Line of Charge

  • WesleyPipes
  • · Replies 2 ·
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2

Just stuck on the last bit integral

  • jaci55555
  • · Replies 1 ·
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1

Recursive Lagrange multipliers

  • hiigaranace
  • · Replies 5 ·
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5

A variation of gamblers ruin problem.

  • MaxManus
  • · Replies 11 ·
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11

Integration using cosh(t) or sinh(t)

  • Rubik
  • · Replies 5 ·
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5

Identifying Non-Differentiable Points Without Graphing

  • lpbug
  • · Replies 5 ·
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5

Proving that an equivalence relation is a bijection

  • number0
  • · Replies 4 ·
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4

Integrating x/(1-4x-2x2)1/2: Different Approaches

  • gaobo9109
  • · Replies 1 ·
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1

Find area between 2 polar curves

  • bavman
  • · Replies 3 ·
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3

Smallest Positive Integer N for which tow(n)=6 is True

  • kathrynag
  • · Replies 8 ·
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8

How do bijective holomorphic maps relate on open sets and the unit circle?

  • semithinking
  • · Replies 1 ·
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1

Proof Abelian Group: Consec Ints & No Follow w/2

  • pedrommp
  • · Replies 3 ·
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3

How Diff. Ranges Affect Fourier Series

  • jegues
  • · Replies 1 ·
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1

1st Order Diff. Equations - Need Help

  • travh2007
  • · Replies 2 ·
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2

Eigenvalues Sturm-Liouville system

  • jegues
  • · Replies 2 ·
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2

Proving Euler's Theorem for Prime Divisors of the Form 4q+1

  • dancergirlie
  • · Replies 5 ·
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5

How is the Height of Water in a Container Changing Over Time?

  • armolinasf
  • · Replies 2 ·
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2

Question on variation of parameters - ODE

  • cue928
  • · Replies 3 ·
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3

Integral Curves by Right-Translation of Lie-Algebraic Elements

  • Kreizhn
  • · Replies 6 ·
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6

Integral test for convergence of ∑ne⁻ⁿ

  • vande060
  • · Replies 11 ·
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11

Find Exact Arc Length of x=e^t + e^-t, y=5-2t, 0 ≤ x ≤ 3

  • maff is tuff
  • · Replies 3 ·
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3

Proving Connectivity of B & cl(A)

  • AcC
  • · Replies 3 ·
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3

Double integrals with an absolute value

  • spanishmaths
  • · Replies 2 ·
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2

Can Every Positive Integer Sequence Contain Only Composite Numbers?

  • NightFire
  • · Replies 4 ·
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4