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

Solving Limits: How to Find the Limit of a Function as x Approaches Infinity

  • 2slowtogofast
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2

Parametric curves applications

  • kingwinner
  • · Replies 5 ·
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5
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4

Second derivative of y = x cos x

  • Heat
  • · Replies 2 ·
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2

Complex Analysis-Path Integral

  • notmuch
  • · Replies 1 ·
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1

Linear Algebra: Vector Space proof

  • Rocket254
  • · Replies 8 ·
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8

Show that 2^x = x^3 has at least two solutions

  • physstudent1
  • · Replies 5 ·
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5

Calculate Derivatives: Using Information to Find (fg)'(1) and (fog)'(1)

  • physstudent1
  • · Replies 5 ·
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5

Finding d²x/dt² given dx/dt = x sin x

  • ada0713
  • · Replies 3 ·
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3

Solve ln(2y - 1) = 1 + ln(3 - y)

  • CathyLou
  • · Replies 12 ·
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12

Topology Question: Is A Open if Open Subsets of A Union to A?

  • JasonJo
  • · Replies 2 ·
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2

Limit of arctan(x)-x / arcsin(x)-x as x->0

  • ggcheck
  • · Replies 5 ·
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5

Finding the inverse of y = e^x/(e^x + 1)

  • physstudent1
  • · Replies 13 ·
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13

Why is the set of irrational numbers not an open subset of the reals?

  • marlen
  • · Replies 20 ·
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20

Absolute max and absolute min problem

  • JFonseka
  • · Replies 13 ·
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13

Volume method, having trouble picturing

  • Saladsamurai
  • · Replies 1 ·
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1

Solve Infinite Series: Sum of -(5/4)^n

  • NIZBIT
  • · Replies 2 ·
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2

Simplifying Core 3 Compound Angles

  • CathyLou
  • · Replies 5 ·
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5

Integration of x/(x+2)

  • pinky86
  • · Replies 5 ·
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5

Show Taylor Formula Proves E > T_2_E for 0 to c

  • Niles
  • · Replies 4 ·
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4
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2
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21

Finding the range of f(x) = (2x - 3) / (x - 2)

  • CathyLou
  • · Replies 1 ·
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1

Evaluating the integral of x/(1+cos²x) from 0 to π

  • yew_kuan
  • · Replies 15 ·
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15

A question on derivatives of leibniz

  • transgalactic
  • · Replies 10 ·
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10

Calculating the Limit of [e^n-(1+1/n)^n^2]

  • azatkgz
  • · Replies 12 ·
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12

Limit of Summation and Integral Solution Verification

  • azatkgz
  • · Replies 10 ·
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10

Why do iterated integrals exist when f is not Lebesgue integrable?

  • P3X-018
  • · Replies 4 ·
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4

Proving sup S^3 = (sup S)^3 for bounded set S

  • marlen
  • · Replies 1 ·
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1

Simulataneous equation with surds

  • david18
  • · Replies 2 ·
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2

How does my book get from this step to this step?

  • frasifrasi
  • · Replies 5 ·
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5

Volume of Solid Revolved Around Y-Axis: Bounds Check

  • Saladsamurai
  • · Replies 2 ·
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2

Is the Function Phi(x)=sqrt(x) an Automorphism of Positive Real Numbers?

  • Benzoate
  • · Replies 17 ·
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17

Why does one divergent part make the whole improper integral diverge?

  • frasifrasi
  • · Replies 3 ·
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3

How Can I Determine Function M in Differential Equations?

  • N468989
  • · Replies 14 ·
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14

Related rates and cube with a sphere inside of it

  • chaotixmonjuish
  • · Replies 4 ·
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4
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18

Implicit Differentiation is so confusing

  • lLovePhysics
  • · Replies 8 ·
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8

Why is the "if" part of Urysohn's lemma obvious?

  • ehrenfest
  • · Replies 4 ·
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4

What is the correct way to calculate the volume of a tetrahedron?

  • Iyafrady
  • · Replies 1 ·
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1

Derivative of h(t) = sin(arccos(t))

  • BuBbLeS01
  • · Replies 22 ·
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22

Area between polar curves r = θ and r = 2θ

  • yaho8888
  • · Replies 7 ·
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7

Finding Turning Points of y=e^{-t}sin(2t)

  • mlazos
  • · Replies 5 ·
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5

Perpendicular Line Equations for Skew Lines in Different Planes

  • Iyafrady
  • · Replies 7 ·
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7

Contour integral around circle centered at 2i with radius r

  • strangequark
  • · Replies 1 ·
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1

Arthur Mattuck, Introduction to Analysis, Problem 5-7

  • EMR
  • · Replies 1 ·
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1

Find dy/dt for Y=2((x^2)-3x) when x=3

  • RyanMcStylin
  • · Replies 3 ·
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3

Integral of cos(e^x): Get Professional Advice

  • rocomath
  • · Replies 8 ·
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8

Solution to Expansion of arctanx Problem

  • azatkgz
  • · Replies 1 ·
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1

Why integrate u times v' in integration by parts

  • N468989
  • · Replies 2 ·
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2

Proving a nonempty finite subset of a group is a subgroup

  • eq1
  • · Replies 3 ·
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3

How to Solve y''+4y = x*sin2x Using Undetermined Coefficients?

  • kasse
  • · Replies 2 ·
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2

Finding polynomial p(x) such that p(A)=0 for 2×2 matrix

  • momo20
  • · Replies 5 ·
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5

How do I determine the magnitude of torque from a cross product?

  • smatt_31
  • · Replies 1 ·
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1

Alright, so I forgot how to do Surface Integrals

  • Poop-Loops
  • · Replies 7 ·
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7

Related rates problem with draining conical and cylindrical tanks

  • gonzalo12345
  • · Replies 11 ·
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11

Integral of log(z) along the real axis using principal branch

  • Milky
  • · Replies 26 ·
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26

Determing where function is differentiable (Complex Analysis)

  • scothoward
  • · Replies 8 ·
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8
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1

Compactness under homeomorphisms

  • ehrenfest
  • · Replies 8 ·
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8
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3

How to find closed form of sum with variable upper limit

  • iamaelephant
  • · Replies 3 ·
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3

Quasimetric on the Sorgenfrey Line

  • BSMSMSTMSPHD
  • · Replies 1 ·
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1

What Is Aut(Z(6)) and How Is It Determined?

  • Benzoate
  • · Replies 1 ·
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1

Integral of ln(x)/(x - 8x·ln²x)

  • nitroracer
  • · Replies 3 ·
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3

Simple Stirling: Proving Increasing Continuous Function on [1, inf)

  • Monochrome
  • · Replies 1 ·
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1

Convert the integral into polar coordinates

  • inner08
  • · Replies 10 ·
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10

Differentiating Inverse Functions

  • BuBbLeS01
  • · Replies 8 ·
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8
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1

Why is the Linear Approximation Reasonable for (1.01)^6?

  • fk378
  • · Replies 6 ·
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6

Solution to Trig Inequality in [0,-1]

  • skateza
  • · Replies 2 ·
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2

Vector Calc - Directional Derivative Question

  • at3rg0
  • · Replies 1 ·
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1
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1

Proving the Binomial Identity: A Shorter Solution Approach

  • MathematicalPhysicist
  • · Replies 3 ·
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3

Someone me with this infinite sequence

  • pakmingki
  • · Replies 7 ·
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7

Limits of sin(√(1-x))/√(1-x²) and (x²+sin x)/(x²+cos x)

  • skateza
  • · Replies 11 ·
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11
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7

Set theory problem (uncountable set)

  • quasar987
  • · Replies 2 ·
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2

I need to understand partial derivatives.

  • jedjj
  • · Replies 8 ·
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8

Deduce P from Sigma { ~S V R, R -> P, S }

  • moo5003
  • · Replies 1 ·
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1

How to perform this integration?

  • xmtung
  • · Replies 3 ·
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3

Proving product-to-sum identities for cosine and sine

  • AzureNight
  • · Replies 3 ·
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3
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6

Partial Derivatives of a Two-Variable Dirichlet Function

  • teleport
  • · Replies 14 ·
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14
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6

Prove that lim (x→∞) (1+1/x)^x = e

  • spektah
  • · Replies 11 ·
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11

Abs Value Limit: Simplifying -b-2

  • EvilBunny
  • · Replies 1 ·
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1

Limit of (1/b - 1/3)/(b - 3) as b approaches 3

  • EvilBunny
  • · Replies 8 ·
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8

Is the Integral of 1/z^2 over Path C Independent of the Path Choice?

  • futurebird
  • · Replies 4 ·
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4

Validating Complex Integration Using Polar Form and the Unit Circle

  • futurebird
  • · Replies 19 ·
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19

Derivative of (3x-6)/x using the product rule

  • Cmunro
  • · Replies 3 ·
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3

Sequences and Convergence or Divergence?

  • Illusionist
  • · Replies 7 ·
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7

Limit of √x / csc x as x approaches π

  • 2slowtogofast
  • · Replies 7 ·
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7

Forming differential equationsfrom words to formula

  • rock.freak667
  • · Replies 7 ·
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7

Proving Linear Dependence in Complex Matrix Space

  • Monochrome
  • · Replies 2 ·
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2

Are U(20) and U(24) Isomorphic?

  • Benzoate
  • · Replies 1 ·
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1
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5
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1

Why does arcsin(1/√2) give only π/4 and not 3π/4?

  • Karma
  • · Replies 4 ·
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4

Derivatives of inverse trig functions

  • BuBbLeS01
  • · Replies 4 ·
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4