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.

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5

Prove Subset of Metric Space is Closed: Cluster Points

  • ahct
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Proving that b is 1 or -1 in an Integral Domain

  • silvermane
  • · Replies 7 ·
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7

Differentiating x divided by root x

  • batterypack
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3
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3

Find the Derivative of y=sec(ax) using defition

  • cpscdave
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2

Estimating Maximum Error (Multivariable)

  • d-rock
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2

Equation of a plane perpendicular to 2 other planes

  • XtremeThunder
  • · Replies 4 ·
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4

Proving the factorization of xn + yn for odd n

  • Abst.nonsense
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Inequality and absolute value proof

  • EV33
  • · Replies 5 ·
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5

Solving g'(t) + ag(t) = δ(t-ξ) with Heaviside step function

  • squenshl
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3
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3

Difference between E[Y|X=x] and E[Y|X] notation

  • omaradib
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1

Vector Problem ? Find windspeed

  • madeeeeee
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1

Proving Property of a Continuous Function

  • xx0x0xx
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1

Are psi(x) = phi(c(x - eta)) and psi(x) = phi(x²) test functions?

  • squenshl
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4

How can I solve |3x-5| - |2x+3| >0 using interval division method?

  • thomas49th
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3

Proving the Induction Step for a Fibonacci Property

  • dlemke
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2

ODE/PDE- eighenvalues question

  • Roni1985
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2

Is the Adjoint of a Linear Operator Equal to the Original Operator?

  • mathboy
  • · Replies 7 ·
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7

Limit of (b-x)/(√x-√b) as x approaches b

  • screamtrumpet
  • · Replies 5 ·
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5

Proving the Dot Product of Orthonormal Vectors in a Matrix

  • Lonely Lemon
  • · Replies 9 ·
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9

Algebra Problem with Rationals and Proofs

  • silvermane
  • · Replies 8 ·
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8

Trouble with a second order differential equation

  • draco193
  • · Replies 4 ·
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4

Solve Trig Limit Problem: lim (x->0) \frac{x - sinx}{x^{3}}

  • rambo5330
  • · Replies 2 ·
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2

Are These Grade 12 Vector Solutions Correct?

  • madeeeeee
  • · Replies 7 ·
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7

How to Parameterize a Plane Between Two Given Planes

  • ƒ(x)
  • · Replies 5 ·
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5

Proving f Continuous for Topological Problem on A, B Open/Closed

  • qinglong.1397
  • · Replies 5 ·
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5

Isolating dy/dx when using the chain rule in implicit differentiation

  • A_Munk3y
  • · Replies 8 ·
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8

ODE Applications - Unforced Mechanical Vibrations

  • VeganGirl
  • · Replies 5 ·
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5

Can Proofs Involving the Empty Set Be Solved by Contradiction?

  • Chicago_Boy1
  • · Replies 5 ·
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5
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5

Non-Singular matrix - RREF proof

  • Soupy11
  • · Replies 2 ·
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2

Find the limits of the sequence

  • Philip Wong
  • · Replies 5 ·
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5

Area of the region inside the unit circle

  • aznboi855
  • · Replies 3 ·
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3

Convergence of a sequence of functions

  • radou
  • · Replies 4 ·
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4

Find Order Notation of x√(1+x^2)

  • coverband
  • · Replies 1 ·
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1

Finite subset with nonempty intersection with all sets in a family

  • CornMuffin
  • · Replies 4 ·
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4

Compute the integral by reversing the order of integration

  • number0
  • · Replies 2 ·
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2

Proving Continuity of f(x)=x^2sin(pi/x) at x=0

  • zeroheero
  • · Replies 1 ·
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1

Integral resulting in delta function.

  • G01
  • · Replies 3 ·
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3

Why is \nablaf in the Direction of Steepest Ascent?

  • icystrike
  • · Replies 2 ·
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2

Proving F = grad(f) with 3 Variables

  • jwxie
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2

Sketching a parallelogram question

  • stau40
  • · Replies 3 ·
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3

Find all vertical tangent lines of a curve - more than one variable

  • mwilks
  • · Replies 2 ·
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2

Trigonometric Limit: Solving (sin 2x)/(sin 5x) as x Approaches 0

  • Xarkoth
  • · Replies 2 ·
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2

Second Order Linear Differential Equation Question

  • VeganGirl
  • · Replies 3 ·
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3
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1

Finding Equation of line of intersecting planes

  • Larrytsai
  • · Replies 1 ·
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1

How Does Cycle Length Relate to Element Order in Group Representations?

  • NateDoris
  • · Replies 1 ·
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1

How Does Tensor Notation Work in Group Theory Calculations?

  • christodouloum
  • · Replies 1 ·
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1

Using GCD to efficiently compute polynomial powers modulo another polynomial

  • simba31415
  • · Replies 2 ·
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2

Linear Transformation and Linear dependence - Proof

  • 1nonly
  • · Replies 1 ·
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1

Tangent and Normal Lines at (1,0) on Curve y = pi*sin(pi*x-y)

  • cummings15
  • · Replies 9 ·
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9

Prove that an improper fraction with a finite binary expansion

  • Jamin2112
  • · Replies 12 ·
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12

Implicit Differentiation: Solving for dx/dy in an Example Problem

  • A_Munk3y
  • · Replies 4 ·
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4

Is s_m the Same as s_n in Advanced Calculus Problem?

  • mynameisfunk
  • · Replies 9 ·
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9

Volume of Cube changing with respect to time.

  • A_Munk3y
  • · Replies 2 ·
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2

Is the complement of limit points equal to exterior points?

  • Buri
  • · Replies 4 ·
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4

Integrating Lotka-Volterra Equations with Known Parameters

  • Ry122
  • · Replies 2 ·
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2
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6

Understanding Newton's Notation for Derivatives of Velocity and Frequency

  • GreenPrint
  • · Replies 2 ·
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2
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11

Summation Problem: Evaluate k2-k+1/k(k-1)

  • darkvalentine
  • · Replies 7 ·
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7

How do I express delta as a function of epsilon in epsilon-delta proofs?

  • Laura1321412
  • · Replies 5 ·
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5

Limits and Big-O, Big-Omega, Big-Theta for algorithm analysis

  • DorumonSg
  • · Replies 14 ·
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14

Infimum and supremum of fractional parts of square roots

  • Simkate
  • · Replies 12 ·
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12

Difficult integration question

  • Ry122
  • · Replies 6 ·
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6

Triangle Inequality and Cauchy Inequality Proofs

  • jumbogala
  • · Replies 14 ·
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14

Proving Subring: Odd Denominator Fractions in Q

  • silvermane
  • · Replies 2 ·
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2

Prove x in [a,b] Exists When a < b for Real Numbers

  • Simkate
  • · Replies 1 ·
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1

Take the derivative of rational expression

  • rambo5330
  • · Replies 3 ·
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3

How to Find the Inverse Laplace Transform for a Given Function?

  • mr.engineer
  • · Replies 3 ·
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3

Does a set need a partial order to define a topology on it?

  • Shaggy16
  • · Replies 3 ·
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3

Derivative of F = Fi sin(ct): should the result be divided by c?

  • agentnerdo
  • · Replies 5 ·
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5

Finding the Closest Point on a Plane to a Given Point

  • Char. Limit
  • · Replies 1 ·
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1

Finding f^{-1}(0) for f(x) = ln(4-7x) + ln(-7-5x)

  • fghtffyrdmns
  • · Replies 25 ·
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25
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31

Rewriting (y^7-6x)y'+y=0 as a Bernoulli equation

  • physicsnewb7
  • · Replies 2 ·
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2
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7
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3

Converting 2*exp(i*pi/3) to rectangular form

  • VeganGirl
  • · Replies 11 ·
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11

Proof of |ab|=|a||b| in an Ordered Field

  • Jamin2112
  • · Replies 1 ·
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1

Derive Quotient Rule: Find the Mistake

  • A_Munk3y
  • · Replies 9 ·
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9

Which of the dicontinuities are removable?

  • screamtrumpet
  • · Replies 2 ·
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2

Integral of 4r/sqrt(1-r^4) from 0 to 1

  • Badcommando
  • · Replies 7 ·
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7

Linear Algebra - Determinant Proof

  • erok81
  • · Replies 7 ·
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7

Proving that a set is non-empty and bounded above.

  • silvermane
  • · Replies 6 ·
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6

Is the following subset a subspace?

  • Ryker
  • · Replies 10 ·
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10

Calculating RMS Value of i=1/3sin3t

  • robbieharibo
  • · Replies 2 ·
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2

How do I prove x² > 0?

  • cacosomoza
  • · Replies 6 ·
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6

Finding the equation for the parabola

  • Burnstreak
  • · Replies 3 ·
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3

Finding the limit of cos(1 - sin(t)/t) as t approaches 0

  • odmart01
  • · Replies 6 ·
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6

Diff EQ: Method of Undetermined Coefficients

  • Saladsamurai
  • · Replies 2 ·
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2

Archimedean property of R proof

  • missavvy
  • · Replies 1 ·
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1

What Is the Limit of (2-x)/(x^2-4) as x Approaches 2?

  • screamtrumpet
  • · Replies 3 ·
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3

Proving (AB)^-1=BA When A^2B^2=I

  • Soupy11
  • · Replies 8 ·
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8

Thermal Probability and Trig integrals <3

  • sugar_scoot
  • · Replies 3 ·
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3

Is x²y'=1-x²+y²-x²y² separable or Bernoulli?

  • kingkong11
  • · Replies 2 ·
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2

Area between curves, with an absolute value function

  • tangibleLime
  • · Replies 1 ·
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1