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

Definite Integral of Trig Function

  • Jimbo57
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2

Double integral and reversing order

  • Nope
  • · Replies 2 ·
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2

'Simple' Optimization Problem

  • ObviousManiac
  • · Replies 2 ·
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2

Find the integral. (Note: Solve by the simplest method )

  • chapsticks
  • · Replies 3 ·
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3

Heat equation with nonhomogeneous boundary conditions

  • tjackson3
  • · Replies 1 ·
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1

Maximum number of transpositions required to make all permutations.

  • Anoonumos
  • · Replies 1 ·
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1

Number Theory - How to Prove n^7 is Congruent to n Mod 63

  • yeland404
  • · Replies 1 ·
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1

Finding the nth+1 derivative via Leibniz

  • Gallagher
  • · Replies 2 ·
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2

How to Find Volume by Cylindrical Shells?

  • Biosyn
  • · Replies 2 ·
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2

Solving for Q and R in Seemingly Unsolvable Problem

  • erok81
  • · Replies 3 ·
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3

Indeterminate Limits (L'Hopitals Rule)

  • Jet1045
  • · Replies 5 ·
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5

Integration of Rational Functions by Partial Fractions

  • forestmine
  • · Replies 7 ·
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7

Calc 1, f'(x) > 0 if x < 0 ? What does this mean?

  • LearninDaMath
  • · Replies 6 ·
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6

Trigonometric Equation: Solving tan(\alpha)=\sqrt{2}-1 for \alpha in ]0,90°[

  • mtayab1994
  • · Replies 6 ·
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6

Complex & Hermitian Conjugate of Matrix

  • ZedCar
  • · Replies 1 ·
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1

Please give me a hint to solving this simple vector dot product proof

  • skyturnred
  • · Replies 6 ·
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6
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4

Solving a differential equation with intial conditions,

  • skyturnred
  • · Replies 2 ·
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2

Solving a Diff. Equation: y'=x+y, y(0)=2

  • skyturnred
  • · Replies 2 ·
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2

Indefinite forms and l'hopital

  • Square1
  • · Replies 4 ·
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4

When Does Change in Velocity Use v=v2+v1 or v=v2-v1?

  • fakecrash2011
  • · Replies 3 ·
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3

Is (2^1/2 + 7^1/3)^1/2 irrational?

  • trap101
  • · Replies 2 ·
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2

Would it hurt to memorize the trig ident in the paint doc?I am

  • Miike012
  • · Replies 1 ·
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1

The Triangle Inequality: How to Prove It?

  • Saladsamurai
  • · Replies 4 ·
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4

Rolling 4 Identical Numbers: Probability

  • csc2iffy
  • · Replies 8 ·
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8

Surface area of the upper hemisphere

  • phasic
  • · Replies 5 ·
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5

Function is differentiable at x=0?

  • frankpupu
  • · Replies 4 ·
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4

Two unit vectors that are normal to the plane

  • earthyearth
  • · Replies 1 ·
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1

How to find a unit vector with a given angle to two other vectors?

  • haackeDc
  • · Replies 11 ·
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11

Calculating mean and variance of probability

  • bunnyrabid
  • · Replies 1 ·
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1

Need to rewrite linear combination as vector expression.

  • devonho
  • · Replies 3 ·
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3
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9

F(x)=f(2x)=3. Is it strictly a constant function?

  • vkash
  • · Replies 6 ·
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6
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1

Help with a limit equation involving tangent

  • Cacophony
  • · Replies 2 ·
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2

Derivative and Jacobian of a transformation

  • ElijahRockers
  • · Replies 4 ·
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4

Trouble with Integral to find area using Green's Theorem

  • Opus_723
  • · Replies 3 ·
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3

Evaluate the integral using integration by parts?

  • turbokaz
  • · Replies 1 ·
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1

How Can U-Substitution Simplify Trigonometric Integrals?

  • jtt
  • · Replies 1 ·
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1

Interesting convergence of sequence

  • grusini
  • · Replies 1 ·
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1

How Does the Plancherel Theorem Relate to Fourier Transforms?

  • Seda
  • · Replies 6 ·
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6

Derivative of 10 - 20/(t+1)^2 - process help

  • 939
  • · Replies 2 ·
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2

Finding the Change in f(x) with Varying x

  • iRaid
  • · Replies 4 ·
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4

Calculating divergence using covariant derivative

  • v2536
  • · Replies 6 ·
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6

Continuous and differentiable function

  • frankpupu
  • · Replies 6 ·
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6

Circular motion of ball and string

  • ScienceGeek24
  • · Replies 3 ·
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3

Statistics question (combinations/permutations)

  • trojansc82
  • · Replies 8 ·
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8

Proof~Spivak Calculus: Problem 1.21

  • Saladsamurai
  • · Replies 16 ·
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16

Errors in Left and Right Approximation in Calculus?

  • aizeltine
  • · Replies 22 ·
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22

Find all x such that |x-1|+|x-2|>1.

  • Saladsamurai
  • · Replies 8 ·
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8

An elastic ball bouncing up a slope, where does it bounce first?

  • j92
  • · Replies 2 ·
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2

Finding area between 2 curves with 3 intersections

  • jgoff14
  • · Replies 3 ·
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3

(Tricky) Absolute Value Inequalities

  • vertciel
  • · Replies 3 ·
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3

A simple application of dirac delta shift theorem help

  • Seda
  • · Replies 6 ·
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6

Find equation of tangent line given only x. Please help

  • 939
  • · Replies 6 ·
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6

Finding a Nonzero 3x3 Matrix A Such That Ax is Perpendicular to [1,2,3]

  • skyflashings
  • · Replies 7 ·
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7

Strong Duality Theorem in Linear Programming

  • math8
  • · Replies 2 ·
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2

Symmetric, irreducible, tridiagonal matrix: Eigenvalues

  • Scootertaj
  • · Replies 2 ·
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2

Differential Equations of Cooling Laws

  • Biosyn
  • · Replies 1 ·
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1

Constructing a Digraph: {1,2,3,4,5}

  • bird34
  • · Replies 1 ·
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1

Ordered Pairs in Relation A to B

  • bird34
  • · Replies 6 ·
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6
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1

Proving Convergence: Showing That x_n and y_n Have the Same Limit

  • cragar
  • · Replies 3 ·
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3

So the question would be:For which values of t is the matrix A invertible?

  • junsugal
  • · Replies 2 ·
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2

Differential Equation of Two Functions

  • Gallagher
  • · Replies 3 ·
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3

Rotational Volume - spherical cap, solids, and napkin ring problems

  • emc92
  • · Replies 1 ·
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1

What is the solution to ∫x^2(x+1)^1/2 for x=0 x=3?

  • Jimbo57
  • · Replies 3 ·
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3

Finding tangent lines that pass through given points

  • methionine
  • · Replies 5 ·
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5

Understanding the Limit of Natural Log: ln(x^2-16) as x Approaches 4+

  • Painguy
  • · Replies 2 ·
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2
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4

Is At Least One of a or b Even in the Pythagorean Theorem?

  • Instinctlol
  • · Replies 6 ·
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6

Linear Algebra - Matrix Equations

  • Jet1045
  • · Replies 11 ·
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11

Factoring x^{16}-x in F_8[x] and Proving Equivalency in F_2[x]

  • R.P.F.
  • · Replies 5 ·
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5

Calculating a metric from a norm and inner product.

  • jdinatale
  • · Replies 2 ·
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2

Constrained Optimization Proof

  • kingwinner
  • · Replies 9 ·
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9

Extreme and Intermediate value theorem

  • mikael27
  • · Replies 2 ·
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2

Instantaneous Speed Application Problem

  • jjayla12
  • · Replies 3 ·
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3

Third isomorphic proof of the day.

  • trap101
  • · Replies 7 ·
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7

Is the Exact Differential Equation Solution Valid for Another Equation?

  • sunnyceej
  • · Replies 3 ·
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3

Integration using the reduction formula

  • studentxlol
  • · Replies 1 ·
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1

Partial differentiation question. Would all three methods work?

  • s3a
  • · Replies 3 ·
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3

Can I show that y is in Ha\capKa?

  • Punkyc7
  • · Replies 12 ·
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12

Need help trying to integrate a messy function

  • insane0hflex
  • · Replies 2 ·
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2

Interpreting Linear Algebra Equation

  • NSOutWest
  • · Replies 2 ·
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2

Trouble understanding how to choose a free variable (linear algebra)

  • danny_manny
  • · Replies 5 ·
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5

What point on the line y=3x-1 is closest to the origin? What is the distance?

  • skyturnred
  • · Replies 1 ·
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1

Vector Calculus: Find Position & Velocity Vectors

  • danny_manny
  • · Replies 12 ·
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12

Solution of differential with initial conditions

  • kahwawashay1
  • · Replies 2 ·
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2

What do S1 and S2 look like on the complex plane under e^z?

  • Polamaluisraw
  • · Replies 4 ·
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4

Irreducible polynomial over finite field

  • Zoe-b
  • · Replies 12 ·
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12

Assignment question, root, Intermediate Value Theorem

  • kuttaman
  • · Replies 1 ·
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1
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5

Population Growth Differential Equations

  • MathWarrior
  • · Replies 2 ·
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2

Extreme Value theorem does not hold if [a; b)

  • mikael27
  • · Replies 7 ·
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7

Absolute Value of Limits Proof

  • tnocel1
  • · Replies 1 ·
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1

Find Limit of Sequence An: 1-1/(n(n+1)/2)

  • 4c0
  • · Replies 1 ·
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1

Number theory problem about Fermat 's little theorem

  • yeland404
  • · Replies 4 ·
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4

Proving Exponential Inequalities for Positive Real Numbers

  • julypraise
  • · Replies 3 ·
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3

Prove Sin(x) Unique for Every Positive Integer

  • cragar
  • · Replies 5 ·
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5

Proving Isomorphisms: (TS)^-1 & More

  • trap101
  • · Replies 10 ·
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10