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 Algebraic manipulation of sum of squares.

  • tleave2000
  • · Replies 6 ·
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6

Graduate Why Does This Equation Include Sums of h(t-ti)? Explained.

  • paalfis
  • · Replies 3 ·
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3

Find Expression for $\frac{d^2y}{dx^2}$ in Terms of Derivatives

  • Dethrone
  • · Replies 18 ·
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18

Undergrad Leibnitz's notation and derivatives of implicit functions

  • otto
  • · Replies 8 ·
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8

Calculus involving cubic discriminants

  • Dethrone
  • · Replies 3 ·
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3

Undergrad Can a Real Function Be Continuous Only at a Single Point?

  • glance
  • · Replies 4 ·
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4

What is the rate of change for the area of the rectangle?

  • Dethrone
  • · Replies 6 ·
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6

Solids of Rotation bounded by y=bx^(1/2)

  • Dethrone
  • · Replies 13 ·
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13

Prove $\prod\limits_{i=1}^{n}\frac{\sin a_i}{a_i}\le(\frac{\sin a}{a})^n$

  • anemone
  • · Replies 2 ·
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2

Undergrad Understanding Volume of Oblique Cylinders through Integration

  • rishchat
  • · Replies 10 ·
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10

Undergrad Limit of a sequence (explanation)

  • Korisnik
  • · Replies 6 ·
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6

What is the limit of \( x^x \) as \( x \) approaches 0?

  • karush
  • · Replies 10 ·
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10

Find f'(0) from a piecewise function

  • Dethrone
  • · Replies 11 ·
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11

Undergrad Evaluation of a definite integral

  • dyn
  • · Replies 7 ·
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7

Limit - Values of a and b that satisifies the equation.

  • Dethrone
  • · Replies 9 ·
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9

Integration - Find all functions f(x)

  • Dethrone
  • · Replies 11 ·
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11

How to Calculate the Indefinite Integral of a Complex Function?

  • juantheron
  • · Replies 3 ·
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3

Calc Challenge IV: Evaluate Limit of Int.

  • anemone
  • · Replies 5 ·
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5

Range of k for Real x in $\dfrac{e^x+e^{-x}}{2}\le e^{kx^2}$

  • anemone
  • · Replies 2 ·
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2

Undergrad Best practice books on Vector Calculus

  • Maharshi Roy
  • · Replies 2 ·
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2

Graduate Rudin 1.21 Problem understanding proof of unique positive root to the

  • EdMel
  • · Replies 3 ·
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3

Minimizing Isosceles triangle with a circle inscribed

  • Dethrone
  • · Replies 51 ·
2
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51

Calculus Challenge III: Prove $f(x)>0$ for All Real $x$

  • anemone
  • · Replies 2 ·
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2
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4

Undergrad Difference of total derivative and partial derivative

  • mikengan
  • · Replies 3 ·
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3

Putnam Solution (Differential Calculus)

  • Amad27
  • · Replies 21 ·
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21

Undergrad Can you derive e^x by first principles?

  • FilupSmith
  • · Replies 15 ·
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15

Solving a Complex Integral: Substituting tg (x/2)

  • leprofece
  • · Replies 5 ·
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5

Solving Difficult Integral: $\int \frac{dx}{1+\sin(x) -\cos^2(x)}$

  • leprofece
  • · Replies 6 ·
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6

Finding the Equation of a Parallel Plane: How Do I Use Vectors to Solve This?

  • ineedhelpnow
  • · Replies 2 ·
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2

Equation of Plane Through Origin & Perpendicular to Vector (1,-2,5)

  • ineedhelpnow
  • · Replies 1 ·
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1

How can we determine the intersection point of two lines with given equations?

  • ineedhelpnow
  • · Replies 33 ·
2
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33

Graduate Expansion of scalar function times laplace's equation

  • vtfjg87
  • · Replies 2 ·
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2

Another equation of another line

  • ineedhelpnow
  • · Replies 4 ·
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4

Graduate Local uniform continuity of a^q

  • jostpuur
  • · Replies 2 ·
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2

Undergrad Simpson's Rule with negative values

  • amanno
  • · Replies 1 ·
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1

What Property Connects the Steps in a Geometric Series Calculation?

  • nacho-man
  • · Replies 3 ·
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3

Undergrad Symbolic manipulation inside integral

  • RustyDoorknobs
  • · Replies 3 ·
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3

Optimizing Area for two shapes using a single piece of string

  • ardentmed
  • · Replies 17 ·
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17

Another Interesting Putnam Integral.

  • Amad27
  • · Replies 9 ·
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9
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19

How to find the volume of a parallelepiped using determinants?

  • ineedhelpnow
  • · Replies 10 ·
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10

Spherical co-ordinates conversion

  • Fermat1
  • · Replies 11 ·
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11

Undergrad Sphere Problem - Please correct

  • Physicsrapper
  • · Replies 11 ·
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11

Is sequence 2^n/n increasing or decreasing?

  • Dethrone
  • · Replies 11 ·
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11

Undergrad Odd/even functions and periodicity

  • dimitri151
  • · Replies 2 ·
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2

Undergrad Theorem on continuous function crossing x-axis

  • dimitri151
  • · Replies 3 ·
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3

Find $\left| a-b \right|$: Vectors and Magnitude

  • ineedhelpnow
  • · Replies 6 ·
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6

Critical Points and Global Extrema Question

  • ardentmed
  • · Replies 9 ·
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9

Show that equality holds in Cauchy-Schwarz inequality if and only if....

  • Ragnarok7
  • · Replies 5 ·
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5

Graduate Power series absolute convergence/ Taylor polynomial

  • kidsasd987
  • · Replies 5 ·
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5

Points of intersection of polar equations

  • Dethrone
  • · Replies 8 ·
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8

Graduate Calculus of variations: multiple variables, functions of one variable

  • phi1123
  • · Replies 4 ·
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4

Undergrad Solving equation involving a variable and its logarithm

  • JulieK
  • · Replies 6 ·
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6

Undergrad Can't Figure Out This Integral? Let's Help Each Other!

  • FeynmanIsCool
  • · Replies 2 ·
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2

Undergrad Maximize multivariable function with infinite maxima

  • Patrick94
  • · Replies 3 ·
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3

Graduate Putnam Exam Challenge (Maximum Value)

  • Amad27
  • · Replies 27 ·
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27

Surface of revolution - y = (1/3)x^3

  • Dethrone
  • · Replies 30 ·
2
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30

Undergrad Simple equations for calculating path weight

  • vilu
  • · Replies 2 ·
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2

How Do Absolute Values Affect Integration?

  • Dethrone
  • · Replies 3 ·
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3

Drawing Geometry Questions: Can You Help?

  • ineedhelpnow
  • · Replies 9 ·
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9

Graduate Relating integral of powers of Sin b/w 0 and pi/2 to factorial form

  • musik132
  • · Replies 3 ·
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3

Undergrad Finding equation of a curve through 5 points

  • erg
  • · Replies 5 ·
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5

Johnsy's question about finding a derivative via Facebook

  • Prove It
  • · Replies 1 ·
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1

Graduate Can I write this integral in "closed-form" expression?

  • EngWiPy
  • · Replies 4 ·
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4

Surface of revolution - Hypocycloid

  • Dethrone
  • · Replies 15 ·
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15

Comparing 3 Points on a 3D Graph

  • ineedhelpnow
  • · Replies 4 ·
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4

Graduate Good reference on multi-variable calculus of variation

  • JulieK
  • · Replies 1 ·
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1

Did I make a mistake in this integral?

  • Dethrone
  • · Replies 5 ·
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5

Graduate Integral Problem: Non-Zero Continuous Function R to R Solution

  • Wicketer
  • · Replies 3 ·
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3

Solids of Revolution - Negative Volume

  • Dethrone
  • · Replies 36 ·
2
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36

Undergrad Why do some integrals require correction for extreme precision?

  • bobie
  • · Replies 5 ·
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5

Graduate Integrating Discrete Spaces and Time: Implications for Continuum and Precision

  • bobie
  • · Replies 8 ·
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8

Graduate Finding an upper-estimate for a sequence.

  • Seydlitz
  • · Replies 4 ·
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4

Understanding Work Integrals: Examples Explained

  • Jefferson
  • · Replies 4 ·
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4

Why do we assume all existence facts are given in math word problems?

  • Amad27
  • · Replies 23 ·
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23

Undergrad Rational function that approximates e^x

  • Ledsnyder
  • · Replies 6 ·
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6

Graduate Understanding the Rationale Behind Flux Integrals

  • davidbenari
  • · Replies 4 ·
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4

Undergrad Can the Dot Product be Customized to Change Linearly?

  • aosome23
  • · Replies 5 ·
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5
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2

Graduate Asymptotic behavior of this function?

  • asmani
  • · Replies 3 ·
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3

Graduate Alternate Representation of Function

  • Hertz
  • · Replies 2 ·
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2

How Do You Solve the Integral of ln|a+b*sin(x)| from 0 to 2π?

  • Saitama
  • · Replies 1 ·
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1

Graduate Change of variables for 2nd order differential

  • test1234
  • · Replies 2 ·
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2

Graduate Understanding Greene's, Stoke's, and the Divergence theorems

  • thatONEguy94
  • · Replies 4 ·
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4

Volume of Region Bounded by x^2-y^2=16, y=0, x=8, about y-axis

  • Dethrone
  • · Replies 7 ·
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7

Half Life and Exponential Growth Question

  • ardentmed
  • · Replies 17 ·
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17

Factoring y^4+y^2+1: Other Ways to Approach

  • Dethrone
  • · Replies 12 ·
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12

Definite Integration of a concave upward function- Inequality

  • mathisfun1
  • · Replies 11 ·
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11

Derivatives and Inverse Trigonometry

  • ardentmed
  • · Replies 10 ·
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10

Find Limit of (x^3/2 - 27)/(x-9) with Sample Values

  • ardentmed
  • · Replies 7 ·
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7

Graduate Don't understand Stoke's Theorem (Revised)

  • iScience
  • · Replies 3 ·
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3

Limits of Complex Expressions: Infinity or 0?

  • Dethrone
  • · Replies 5 ·
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5
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6

Evaluating an Integral with U-Substitution

  • leprofece
  • · Replies 1 ·
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1

Evaluation of Indefinite Integral

  • juantheron
  • · Replies 3 ·
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3

Functions with asymptotes and differentiability Question

  • ardentmed
  • · Replies 8 ·
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8

Graphing Functions With Asymptotes and Discontinuity

  • ardentmed
  • · Replies 9 ·
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9

Building a Pipeline Optimization Problem

  • ardentmed
  • · Replies 1 ·
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1

Undergrad Dot product of a vector and a derivative of that vector

  • Ashiataka
  • · Replies 3 ·
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3