Calculus Forum

Join experts in discussion of calculus topics. This may include topics on Elementary functions, Calculating limits, derivatives and integrals. Optimization problems and Homework help is available.

Threads

Integrate the function f at the path that consists of the curves C1 and C2

  • mathmari
  • · Replies 2 ·
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2

Find Tangent Line to Curve (x+2y)^2+2x-y-3=0: Answer at Yahoo Answers

  • MarkFL
  • · Replies 1 ·
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1

Show that f(x,y) is differentiable

  • Jamie2
  • · Replies 2 ·
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2

Graduate Complexifying an Integral: How to Solve Tricky Integrals Using Complex Numbers

  • jellicorse
  • · Replies 2 ·
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2

Work of the vector field-Stokes' Theorem

  • mathmari
  • · Replies 4 ·
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4

How to Minimize the Integral of \(\int_0^{\pi/2} |\cos(x)-ax^2|\,dx\)?

  • Saitama
  • · Replies 10 ·
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10

Undergrad Understanding the Derivation of the Quadratic Formula

  • sacred
  • · Replies 9 ·
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9

High School Extremely easy math, but need expression

  • Joel DB
  • · Replies 2 ·
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2

Undergrad Solving Dy/Dx = 3-x/y+4: Integral of Both Sides

  • KingCrimson
  • · Replies 8 ·
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8

What are the values of b for a minimum of x^2 + bx - 25?

  • Cmillburg
  • · Replies 2 ·
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2

Maximizing the surface of a cylinder and a box

  • leprofece
  • · Replies 5 ·
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5

Antiderivative Question for ∫a^x dx: Is it a^x/ln a or a^x/ln|a|?

  • tmt1
  • · Replies 1 ·
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1

Further question on My Fractions problem

  • tmt1
  • · Replies 4 ·
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4

Apply the divergence theorem to calculate the flux of the vector field

  • mathmari
  • · Replies 2 ·
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2

How Do You Plot and Find Alternate Polar Coordinates?

  • shamieh
  • · Replies 1 ·
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1

What is the work done on a frustum?

  • Pindrought
  • · Replies 13 ·
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13

Solve Fractions Problem: Slope at (1,3)

  • tmt1
  • · Replies 2 ·
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2

Graduate Approximating Division for X1, X2 & ΔX Expressions

  • d.arbitman
  • · Replies 10 ·
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10

Molly's question at Yahoo Questions regarding constrained optimization

  • MarkFL
  • · Replies 1 ·
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1

Graduate Why does the series Taylor expand as e^-nx?

  • unscientific
  • · Replies 4 ·
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4

Graduate How Is the Second Derivative of an Inverse Function Calculated?

  • Jhenrique
  • · Replies 3 ·
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3

Undergrad Contour integration and Calc. of complex functions

  • lizzie96
  • · Replies 4 ·
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4

Graduate How to Calculate the Radii of Curvature for a 3D Flexible Chain?

  • chandan
  • · Replies 3 ·
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3

Undergrad How do I find the length of a curve using calculus?

  • derek181
  • · Replies 3 ·
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3

High School Integration Limits: Is Upper Limit Always Greater Than Lower?

  • Miraj Kayastha
  • · Replies 3 ·
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3

Finding Concavity: What is the Value of t for a Concave Upward Curve?

  • shamieh
  • · Replies 2 ·
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2

Finding concavity when differentiating to dy/dx and d^2y/dx^2

  • shamieh
  • · Replies 1 ·
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1

Find inflection pt with constant K

  • karush
  • · Replies 2 ·
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2

Finding Partial Derivatives with Transformations

  • evinda
  • · Replies 3 ·
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3

Graduate Is There an Equivalent Expression to ∫ f·dr for Surface Integral?

  • Jhenrique
  • · Replies 4 ·
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4

Undergrad Answer: Limit of Big-O Terms: O(1/x) & O(x)

  • Avichal
  • · Replies 1 ·
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1

Undergrad Differentiation under the integral sign

  • Wolfxphysics12
  • · Replies 2 ·
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2

Real World Apps of Improper Integrals: Impact & Syllabus

  • matqkks
  • · Replies 1 ·
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1

Undergrad Improper Integrals: Real-Life Applications & Syllabus Impact

  • matqkks
  • · Replies 1 ·
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1

Series Expansion: Show Sin^Cos x = x + O(x^3)

  • polygamma
  • · Replies 1 ·
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1
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3

Can This Infinite Series Be Summed?

  • anemone
  • · Replies 6 ·
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6
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1

Graduate Solve Diferential Equation: d2u/(dθ)^2+u=0 → u=cos(θ-θ0)

  • alpha25
  • · Replies 7 ·
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7

What Is the Optimal Size of a Cylinder in a Cone to Maximize Volume?

  • leprofece
  • · Replies 14 ·
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14

Undergrad Double Substitution Correct or Faulty?

  • Nano-Passion
  • · Replies 1 ·
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1

Finding the exact length of the curve (II)

  • shamieh
  • · Replies 6 ·
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6

Center of Gravity Calc: $\bar{y}$

  • Dustinsfl
  • · Replies 2 ·
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2

Graduate Mean ray length from apex to base of an oblique circular cone

  • erielb
  • · Replies 3 ·
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3

Sam m's question at Yahoo Answers regarding a solid of revolution

  • MarkFL
  • · Replies 1 ·
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1

Maximizing the volume of a beam cut from a cylindrical trunk

  • leprofece
  • · Replies 4 ·
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4

Find the exact length of the curve

  • shamieh
  • · Replies 3 ·
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3

Maximizing the volume of a cylindrical postal package

  • leprofece
  • · Replies 3 ·
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3

Undergrad Integral of a function of various variables

  • Jhenrique
  • · Replies 1 ·
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1
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7

Find Function f: Area Under Curve A & Above 3A, \(f(x_1)=y_1\)

  • Dustinsfl
  • · Replies 1 ·
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1

Partial Derivatives Problem Evaluating at (0,0)

  • Jamie2
  • · Replies 5 ·
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5

Limit of ((x2+y2+1)1/2) - 1: Evaluate & Simplify

  • Jamie2
  • · Replies 3 ·
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3

Graduate Area element, volume element and matrix

  • Jhenrique
  • · Replies 2 ·
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2

Kunal's question at Yahoo Answers regarding Lagrange multipliers

  • MarkFL
  • · Replies 1 ·
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1

Graduate Does anyone know an infinite series summation that is equal to i?

  • mesa
  • · Replies 41 ·
2
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41

Thank you for your understanding.

  • leprofece
  • · Replies 4 ·
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4

Undergrad Green's theorem and area calculation

  • Jhenrique
  • · Replies 2 ·
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2

Graduate Finding the Gradient Vector for a Given Point on a Surface

  • reddawg
  • · Replies 3 ·
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3
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3

First fundamental theorem of Calculus

  • evinda
  • · Replies 2 ·
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2

Maximizing Volume of a 5-Sided Box w/ Cutout Corners

  • Dustinsfl
  • · Replies 1 ·
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1

Surface Area of ball floating in water

  • Dustinsfl
  • · Replies 3 ·
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3

Calculus of Variation: Maximizing Volume & Min Area

  • Dustinsfl
  • · Replies 5 ·
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5

Graduate How Do Contour Integrals Apply to Green's Functions in Acoustic Wave Equations?

  • gysush
  • · Replies 1 ·
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1

Graduate The Integration-By-Parts Formula for Vector Products

  • Jhenrique
  • · Replies 2 ·
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2

Graduate Vector calculus: angular momentum operator in spherical coordinates

  • MisterX
  • · Replies 6 ·
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6

Graduate First order differential eqn dy/dx + Py = Qy^n

  • tony24810
  • · Replies 1 ·
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1
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1

Volume of a Pyramid: Find A(z) to Calculate V

  • Dustinsfl
  • · Replies 8 ·
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8

Indefinite Integral using Trig Identity i'm confused

  • Pindrought
  • · Replies 3 ·
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3

Antiderivative involving Trig Identities.

  • shamieh
  • · Replies 5 ·
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5

Finding the Continuous Intervals for a function

  • cbarker1
  • · Replies 1 ·
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1
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6

Why is the chain rule fallacious?

  • ThePerfectHacker
  • · Replies 22 ·
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22

Is the Function f=tan(2x)/x Continuous at x=0?

  • cbarker1
  • · Replies 3 ·
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3

Graduate Fourier transform of the linear function

  • Irid
  • · Replies 3 ·
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3

Chain Rule in 2D Function Transformation

  • Julio1
  • · Replies 3 ·
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3

Why e is "natural", and why we use radians.

  • ThePerfectHacker
  • · Replies 15 ·
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15

Undergrad Difference between Force components using triangle rule and dotproduct

  • ehabmozart
  • · Replies 5 ·
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5

Graduate Question about the curl with a specific type of field

  • USeptim
  • · Replies 10 ·
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10

Area Under Curve: Finding the Missing Area

  • Yankel
  • · Replies 7 ·
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7

Graduate Can Infinite Sums Be Manipulated by Shifting Terms?

  • jackferry
  • · Replies 3 ·
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3

Synne's question at Yahoo Answers regarding the slope of an astroid

  • MarkFL
  • · Replies 20 ·
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20

Undergrad Why is there a differential in an indefinite integral?

  • Jow
  • · Replies 4 ·
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4
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4
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2

Confusing Implicit Differentiation Problem

  • tmt1
  • · Replies 3 ·
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3
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2

Maximum and minimum 283: minimize cost

  • leprofece
  • · Replies 7 ·
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7

Undergrad Proving e^x is equals its own derivative?

  • Cookies?
  • · Replies 15 ·
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15

MaleahP's question at Yahoo Answers regarding related rates

  • MarkFL
  • · Replies 1 ·
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1

Understanding Fraction Simplification

  • shamieh
  • · Replies 4 ·
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4

Derivative of 2^x - Is it 2^x ln(x) or ln(2)?

  • tmt1
  • · Replies 2 ·
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2

Solve Integral of ln(x^2-1) with Ease: Step-by-Step Guide

  • Yankel
  • · Replies 7 ·
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7

Graduate What is a function, when you consider the partial/total derivative?

  • mXSCNT
  • · Replies 2 ·
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2

Integrable Function on $[0,1]$: Proving a Limit

  • Krizalid1
  • · Replies 4 ·
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4

Graduate Calculus of Variation: Extremum & Further Variances

  • LagrangeEuler
  • · Replies 3 ·
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3

Graduate What does this special arrow symbol mean?

  • harveyab
  • · Replies 2 ·
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2

Monica's question at Yahoo Answers regarding Linear Approximation

  • MarkFL
  • · Replies 1 ·
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1