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

High School Solve (x-6)(x+7)/(x-2) ≥ 0 and log₃x + log₃(x-6) = 3

  • Help_Me_Please
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High School Graphing Increase/Decrease Intervals of a Function

  • calc
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Graduate Two sequences defined for all naturals by

  • quasar987
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High School What does the graph of lnx^2 look like?

  • calc
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Undergrad Integral of 1/(csc x - 1) and average value of f(x) = x/(x+3)

  • Physicsisfun2005
  • · Replies 7 ·
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7

Graphing Program for fn's of 2 variables.

  • JFo
  • · Replies 2 ·
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2

Graduate Infinite graph with finite area?

  • kreil
  • · Replies 31 ·
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Graduate Where Does Bernoulli's Inequality Fall Short?

  • quasar987
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Undergrad I finding the area of a function using integrals and logs

  • Juche
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Graduate Second order differential equation with initial condition

  • josephcollins
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Undergrad Easy proof don't know where i am going wrong

  • fresh
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Graduate Finding Limits for Polar Coordinate Area Integration

  • daster
  • · Replies 7 ·
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7

High School What is the anti-derivative of 7x^-1?

  • Hygelac
  • · Replies 7 ·
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7

Graduate QM Integral and Online Integral Tables

  • longbusy
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5

Undergrad How can I determine if a given integral is solvable?

  • bomba923
  • · Replies 8 ·
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8

Undergrad Solving $\lim_{n\rightarrow \o}\frac{1}{x}^x$ Problem

  • Physicsisfun2005
  • · Replies 2 ·
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2

Undergrad What is the Proof of Differentiation for nx^n-1?

  • roger
  • · Replies 29 ·
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29

High School How do I find v' for functions v=x+y using implicit differentiation?

  • daster
  • · Replies 6 ·
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6

Graduate Difficult question - convergence of a series

  • rachmaninoff
  • · Replies 3 ·
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3

Undergrad How Do You Integrate 1/(x(ln x)^2) with Respect to x?

  • sid_galt
  • · Replies 2 ·
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2

Graduate Prove Mean Value Theorem: Min/Max on Bounded, Closed Set

  • eddo
  • · Replies 6 ·
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Undergrad Solving f'(x) = 0 at x=1 with a+b=0

  • Nguyen Thanh Nam
  • · Replies 3 ·
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Graduate Convergence and Solution of Integral with Cosine Function

  • Machinus
  • · Replies 8 ·
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8

Undergrad How do I find the area under the curve using right end rectangles for f(x) = x?

  • QuantumTheory
  • · Replies 2 ·
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2

Undergrad Best Multivariable Calculus Textbooks: Pros, Cons, and Recommendations

  • Perion
  • · Replies 4 ·
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4

Undergrad Difference between infimum and minimum, supremum and maximum

  • cmurphy
  • · Replies 4 ·
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4

Graduate Approximating the Cosine Integral?

  • Manchot
  • · Replies 7 ·
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7

Undergrad Prove (lim n -> infinity) (1 + 1/n)^n = e

  • kishtik
  • · Replies 5 ·
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5

Undergrad How to Create a Function with a Turning Point and a Point of Inflection?

  • salemchic05
  • · Replies 2 ·
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Undergrad Antiderivative calculator recommendations

  • Coldie
  • · Replies 4 ·
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4

Graduate Proving AX(BXC) = B(A(dot)C) - C(A(dot)B)

  • starbaj12
  • · Replies 6 ·
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6

High School Limit of 1/x as x Approaches 0: Infinity?

  • calvinnn
  • · Replies 3 ·
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3

Undergrad Related rates: how fast is the distance between a balloon and a car changing?

  • ashleyk
  • · Replies 3 ·
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3

Graduate What are the units of A and δ in Dirac's delta function?

  • Gonzolo
  • · Replies 3 ·
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3

High School Find the distance I traveled (c) by doing cos(a+b)?

  • Gamish
  • · Replies 20 ·
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Graduate Is exp(i.x) with x=-infinity equal to zero?

  • sam2
  • · Replies 5 ·
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5

Undergrad Finding Length of Line Traced by f(x)

  • Alkatran
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Graduate How do I solve this integration problem in quantum mechanics?

  • Hyperreality
  • · Replies 3 ·
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Graduate Which p values result in the convergence of the series x_{n}+px_{n-1}?

  • Final
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Undergrad Summing an Infinite Series: Can We Prove Divergence?

  • Fookie
  • · Replies 4 ·
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Undergrad Solving a rational function integral from attempted work

  • bomba923
  • · Replies 10 ·
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10

Graduate Can the Residue Theorem be Extended to Higher Dimensions?

  • Janitor
  • · Replies 6 ·
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6

Graduate Brachistochrone Problem: The Cycloid Solution

  • bomba923
  • · Replies 4 ·
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4

High School Where can I find a helpful website for Calculus 2 topics?

  • omagdon7
  • · Replies 4 ·
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4

Undergrad Convolution with a gaussian G(t)

  • Gonzolo
  • · Replies 5 ·
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5

Graduate What is the Limit for Today's Test on Logarithms and Trigonometry?

  • twoflower
  • · Replies 3 ·
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3

Undergrad Deriving the product rule and recognizing irrational numbers

  • Patrix0
  • · Replies 12 ·
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12

Undergrad Understanding Double Integration in Vector Analysis

  • Alan Tua
  • · Replies 4 ·
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Undergrad What is the Difference Between Rational and Irrational Numbers in Calculus?

  • omagdon7
  • · Replies 12 ·
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12

Undergrad Do continuous functions always have antiderivatives?

  • Manchot
  • · Replies 19 ·
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Undergrad Need a Good Multivariable Calculus Site

  • BasketDaN
  • · Replies 14 ·
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14

Undergrad Is there a better way to find the roots of a quadratic equation?

  • trap
  • · Replies 8 ·
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High School Why do many calculus students find it so hard?

  • tongos
  • · Replies 4 ·
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Graduate Simple surface integration blues {again}

  • brendan_foo
  • · Replies 7 ·
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Undergrad Find Roots of -5x^4-7x^2+10x+4 Equation

  • salemchic05
  • · Replies 4 ·
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4

Undergrad Why the modulus signs when integrating f'(x)/f(x)?

  • Cheman
  • · Replies 2 ·
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2

What Is a Postsecondary Program?

  • calvinnn
  • · Replies 8 ·
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8

Graduate What does a surface integral of a vector field actually represent?

  • brendan_foo
  • · Replies 5 ·
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5

High School What does e represent in calculus and why is it used?

  • J7
  • · Replies 40 ·
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Graduate Find Limit: Evaluate \frac{n}{(n!)^{\frac1n}}

  • Ali 2
  • · Replies 3 ·
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Undergrad Calculus of Linear and Nonlinear Functions

  • Moe_the_Genius
  • · Replies 2 ·
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2

Undergrad Evaluating integrals with infinite limits and improper integrals

  • misogynisticfeminist
  • · Replies 8 ·
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Undergrad What is an effective variable substitution for solving this integral?

  • brendan_foo
  • · Replies 11 ·
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11

Undergrad Can the sin(x) formula be applied in practical scenarios?

  • hedlund
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2

Graduate Fractional iterates of analytic functions

  • phoenixthoth
  • · Replies 7 ·
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7

Undergrad Why does the antiderivative give us the area?

  • bezgin
  • · Replies 3 ·
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3

Undergrad Final Formula: What is it and how can I find it for a given integral?

  • mathemagician
  • · Replies 4 ·
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4

Undergrad Why Can't I Solve This Multivariable Calculus Integral?

  • brendan_foo
  • · Replies 18 ·
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18

High School How Do I Find Asymptotes and Construct Polynomials with Given Zeros?

  • HawKMX2004
  • · Replies 2 ·
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2

Undergrad Different between integrals and Einstein summation?

  • ktpr2
  • · Replies 8 ·
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8

Undergrad Having trouble with limits and continuity? Let's clear things up!

  • daster
  • · Replies 17 ·
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17

Graduate How to prove $(1-a/n)^n \to e^{-a}$ for real $a$

  • quasar987
  • · Replies 5 ·
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5

High School Shortest distance between two points. Line?

  • Suicidal
  • · Replies 2 ·
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2

High School How is Sigma Used in Mathematics?

  • DB
  • · Replies 4 ·
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4

Graduate Deriving the identities (logn)^logn and (logn)^log(logn)

  • quasar987
  • · Replies 3 ·
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3

Undergrad Cylinder vs Rectangular Prism: Which is More Economical for Juice Packaging?

  • englishbum
  • · Replies 2 ·
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2

Undergrad Elementary function for n > 0 is n=1

  • hedlund
  • · Replies 3 ·
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3

Undergrad 0/0 as the result of taking a limit

  • quasar987
  • · Replies 15 ·
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15

Undergrad Volume of Isosceles Right Triangles with Base of x^2+y^2=9

  • Physicsisfun2005
  • · Replies 2 ·
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2

Undergrad Integrate sin(√x) using substitution and integration by parts

  • bjon-07
  • · Replies 5 ·
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5

Undergrad Why Can't the Gradient Vector Be Undefined at a Minimum?

  • quasar987
  • · Replies 5 ·
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5

Undergrad Polar-parametric transformation

  • Moore1879
  • · Replies 7 ·
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7

Undergrad Minimize cost of cylindrical can holding 100π cubic inches

  • courtrigrad
  • · Replies 2 ·
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2

Graduate Definite integral with floor function of shifted arguments

  • maverick280857
  • · Replies 2 ·
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2

Undergrad Why is it difficult to solve the initial value problem using integrals?

  • QuantumTheory
  • · Replies 9 ·
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9

Undergrad Calculating Mass of Cloud with Density D(ro)

  • T@P
  • · Replies 5 ·
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5

Graduate Proof of Convergence of Sequences a_n and b_n

  • Nobody1111
  • · Replies 2 ·
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2

Graduate What is Tannery's theorem and how do you use it?

  • Ed Quanta
  • · Replies 2 ·
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2

Undergrad Applied Maxima and Minima Problems

  • courtrigrad
  • · Replies 4 ·
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4

High School How Do I Calculate the Area Covered by 4 Radio Transmitters in a 10 km Square?

  • swither
  • · Replies 2 ·
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2

Undergrad Resources for learning multivariable calculus

  • iSamer
  • · Replies 3 ·
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3

Undergrad Average value of f(x) = (3x+5)² on [1, 2]

  • c19dale
  • · Replies 10 ·
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10

Undergrad Power Series - Can someone me understand them?

  • NINHARDCOREFAN
  • · Replies 7 ·
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7

Undergrad Is the Limit of x^(1/(1-x)) as x Approaches 1 Equal to 0 or 1?

  • SomeRandomGuy
  • · Replies 10 ·
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10

Undergrad Formula for sqrt of i in limit summations?

  • ucdawg12
  • · Replies 2 ·
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2

Undergrad What is the Chain Rule and How Does it Apply to Tangent Functions?

  • Roxy
  • · Replies 2 ·
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2

Undergrad Can Differentiation from First Principles Be Applied to Trigonometric Functions?

  • Pseudo Statistic
  • · Replies 6 ·
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6

Undergrad Derivative and tangent line for f(x)=(2x-5)/(x²-4)

  • ashleyk
  • · Replies 2 ·
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2

Undergrad Which Vertex Angle Maximizes the Area of an Isosceles Triangle?

  • calvinnn
  • · Replies 3 ·
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3

Undergrad Horizontal asymptote of f(x) = (2x-5)/(x² - 4)

  • ashleyk
  • · Replies 4 ·
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