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.
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Undergrad Is there an inverse of Summation?
- cmcraes
- · Replies 8 ·
Undergrad Alternative to solids of rotation?
- jld592
- · Replies 1 ·
Finding the slope of a level curve using the gradient
- Yankel
- · Replies 12 ·
Graduate Inverse integral of this integration
- Aladdin123
- · Replies 22 ·
Squaring each side of the equation
- Yankel
- · Replies 4 ·
What's Wrong with My Approach to This Integral?
- Saitama
- · Replies 18 ·
Finding tangent point of ellipse and hyperbola
- Yankel
- · Replies 2 ·
Undergrad Setting up double and triple integrals for area and volume
- Lifprasir
- · Replies 1 ·
How do I do this calculus related rates problem?
- Temit96
- · Replies 1 ·
Due to a symmetry of the cosine we can just double the integral from 0 to 1
- tmt1
- · Replies 1 ·
Undergrad Limit of dirichlet function (from DSP)
- Jyan
- · Replies 1 ·
Finding the first-order term in the Maclaurin expansion of an integral
- ra_forever8
- · Replies 1 ·
Water filling an inverted pyramid at a related rates problem
- MarkFL
- · Replies 1 ·
Graduate Connection between summation and integration via finite differences
- Jhenrique
- · Replies 6 ·
How can I simplify this integral using integration by parts?
- ra_forever8
- · Replies 5 ·
Undergrad Proof of Quotient Rule using Product Rule
- gomess
- · Replies 4 ·
Undergrad Reel Fill Calculation - Calculating line counter reading
- Carpedium
- · Replies 2 ·
Undergrad Understanding Wolfram's Partial Derivative Widget
- Doctorchaos
- · Replies 1 ·
Graduate General formula for the nth integral
- Jhenrique
- · Replies 5 ·
Maximizing the area of a rectangle with fixed perimeter
- MarkFL
- · Replies 1 ·
Graduate Explicit definition for antiderivative?
- Jhenrique
- · Replies 11 ·
Graduate Why do different methods for differentiating γ^μ ∂_μ exp(-ip·x) give opposite signs?
- welcomeblack
- · Replies 2 ·
Maximize a+b subject to a²−1+b²−3b=0
- anemone
- · Replies 3 ·
Graduate Is It Called the Random Phase Approximation?
- Irid
- · Replies 1 ·
Graduate Does This Equation Represent a Family of Surfaces in 3-D Space?
- Red_CCF
- · Replies 1 ·
How to integrate sqrt(1-x^4)/x^5 with trigonometric substitution
- MarkFL
- · Replies 1 ·
Graduate How to integrate by parts when del operator is involved?
- iScience
- · Replies 4 ·
Graduate Trying to see how these are equivalent
- hideelo
- · Replies 2 ·
Graduate Are These Formulas for Indefinite Integrals and Antiderivatives Correct?
- Jhenrique
- · Replies 7 ·
Find where a level curve of f(x,y)=x+4y² is tangent to y=8/x
- Yankel
- · Replies 4 ·
High School How do I visualize the plane z = x - y?
- lecammm
- · Replies 2 ·
Finding local extrema of a quartic function
- MarkFL
- · Replies 1 ·
What is the Implicit Differentiation Formula for sin(xy) = x+y?
- karush
- · Replies 3 ·
High School Correcting Calculus Derivative: x(t) = A cos(ωt - \varphi)
- Agrasin
- · Replies 1 ·
High School When do you use u-substitution in integration?
- JessicaJ283782
- · Replies 4 ·
Finding global maximum on non-compact sets using compactification
- SweatingBear
- · Replies 1 ·
Graduate Integration of partials, specifically Euler to Bernoulli Equation
- zuppi
- · Replies 3 ·
Evaluating an Infinite Sum of Binomial Coefficients
- anemone
- · Replies 5 ·
Can You Simplify the Second Derivative Test Explanation?
- Petrus
- · Replies 3 ·
High School Can someone check my explanation of sequences and series?
- Vishera
- · Replies 5 ·
Finding a complex mathematical question for a 2500-word research essay
- greenglasses
- · Replies 1 ·
What is the result of integrating \frac{x}{x^2 + 1} and applying the limit?
- shamieh
- · Replies 1 ·
Undergrad How to find derivative of tanh^-1(x)
- sozener1
- · Replies 2 ·
Finding the Limit of an Arctan Equation
- greenglasses
- · Replies 2 ·
Undergrad Differentials of spherical surface area and volume
- iScience
- · Replies 3 ·
Undergrad What Are the Differences Between These Integration by Parts Formulas?
- O.CModderz
- · Replies 9 ·
Arc length of a parametric curve
- MarkFL
- · Replies 1 ·
Graduate Is the motion of a pendulum restricted by a cycloid surface cyclical?
- alejandrito29
- · Replies 3 ·
Three snails chasing each other from equilateral triangle vertices
- Saitama
- · Replies 14 ·
True/False differentiation problem
- Saitama
- · Replies 8 ·
Tessa's questions at Yahoo Answers regarding related rates
- MarkFL
- · Replies 2 ·
Did You Copy the Problem Correctly?
- karush
- · Replies 4 ·
Graduate Proof uniform convergence -> continuity: Why use hyperhyperreals?
- sal
- · Replies 5 ·
Graduate Rate of change of x wrt sin(x)
- Jhenrique
- · Replies 11 ·
Undergrad Changing limits of integration in subsitution
- BomboshMan
- · Replies 1 ·
Graduate Why is 1+2+3+4+5+... equal to -1/12?
- Natko
- · Replies 19 ·
Graduate Can Cross Derivatives be Equal in Partial Derivatives?
- chicago77
- · Replies 2 ·
Finding revolution/minute of a wheel traveling in a speed of 15 miles/hour
- bsmithysmith
- · Replies 2 ·
Partial Derivatives: Solving at (0,0)
- Yankel
- · Replies 1 ·
Graduate Integrate 1/(t^2+1)^2 Using i and Partial Fractions
- cragar
- · Replies 1 ·
Graduate Physical intuition for divergence, gradient, and curl definitions
- member 428835
- · Replies 8 ·
JustWar's question at Yahoo Answers regarding differentiating a power of arcsin
- MarkFL
- · Replies 1 ·
Undergrad Saddle Point Requirements for f'(x)=0
- LagrangeEuler
- · Replies 3 ·
Graduate Analytic Approximation for an Oscillatory Integral
- csmallw
- · Replies 2 ·
Graduate What is mathematically wrong with this integration?
- EngWiPy
- · Replies 3 ·
Evaluating ∫₁ᵉ (1+x²ln x)/(x+x²ln x) dx
- Saitama
- · Replies 6 ·
Undergrad I must go to the higher derivatives?
- LagrangeEuler
- · Replies 2 ·
Graduate Fourier Series complex coefficients
- jellicorse
- · Replies 4 ·
Undergrad Trapezoidal Integral of Discrete Values
- trustnoone
- · Replies 1 ·
Evaluating Summation Problem: Floor Function Solution
- Saitama
- · Replies 4 ·
Finding the derivative of an integral from sin x to cos x
- MarkFL
- · Replies 1 ·
Undergrad What do the integration limits 5- and 10+ mean in Signals and Systems?
- shawrix
- · Replies 5 ·
Is Stokes' Theorem Applicable to a Sphere in This Solution?
- kalish1
- · Replies 1 ·
Undergrad Second Derivative Test for Local Extrema
- 22990atinesh
- · Replies 3 ·
Graduate Fundamental theorem of calculus for double integral
- Jhenrique
- · Replies 8 ·
Roxy's question at Yahoo Answers regarding finding the area between two curves
- MarkFL
- · Replies 1 ·
Graduate When using stokes theorem to remove integrals
- member 428835
- · Replies 2 ·
Undergrad Equation of an Upward Facing Cone
- laz0r
- · Replies 1 ·
Graduate Integral of a partial derivative.
- Mento
- · Replies 1 ·
Undergrad How Do You Multiply Total Differentials?
- taimoortalpur
- · Replies 1 ·
Series Simplification: Simplifying \sum^{\infty}_{n = 1} 4^n/3^{n-1}
- shamieh
- · Replies 1 ·
Find the volume of the solid of revolution, or state that it does not exist.
- abc1
- · Replies 7 ·
Does the sequence n sin(1/n) converge?
- shamieh
- · Replies 1 ·
Undergrad The Second derivative test for Concavity
- 22990atinesh
- · Replies 9 ·
Graduate Integral total and partial of a function?
- Jhenrique
- · Replies 5 ·
Tricky question Considering Divergence and Convergence
- shamieh
- · Replies 2 ·
Hand Computing: Evaluate $\sum_{k=1}^{2013}f(k/2014)$
- magneto1
- · Replies 5 ·
Did I work through these integral problems correctly?
- karush
- · Replies 2 ·
Solve Real Solutions of $(1-x_1)^2+\cdots+x_{2013}^2=\frac{1}{2014}$
- magneto1
- · Replies 2 ·
Graduate Marxian economics: Differentiating the Rate of Profit Equation
- Karl Bonner
- · Replies 2 ·
Find the Length of Shortest Ladder to Reach Over 8 ft. Fence
- MarkFL
- · Replies 1 ·
Undergrad Why can a line integral in 3D space be greater than zero?
- oneamp
- · Replies 5 ·
*If (dy)/dx= x^2 y^2, then (d^2 y)/(dx^2 )=
- karush
- · Replies 1 ·
What is the change of variable for proving the fractional part integral?
- alyafey22
- · Replies 1 ·
Finding limits of factorial, nested radical, and recursive sequences
- annie122
- · Replies 5 ·
Sum of distances the same as the former
- leprofece
- · Replies 11 ·
Graduate Diffential elements and analysis dimensional
- Jhenrique
- · Replies 7 ·
Undergrad Why is the derivative of f not linear at the inflection point in concavity?
- 22990atinesh
- · Replies 12 ·
Graduate Proper proof of a delta function
- tolove
- · Replies 3 ·