Calculus and Beyond Homework Help Forum

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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.
Analysis: prove that ln(x) is a smooth function (i.e. infinitely differentiable)
  • yossup
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Solving Parametric Equations: Eliminate t & Find x-y Cartesian Equation
  • wuffle
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4
How Do You Differentiate the Function 4e^t(e^(2t) - e^t)?
  • Quarkn
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2
Pointwise convergence of (x^n)/(1 + x^n)
  • youko.shi
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2
Integration with square roots HELP
  • Quarkn
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2
Finding the Volume of the Intersection of Two Cylinders
  • TranscendArcu
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7
Deriving cross product and dot product, stuck at beginning.
  • JJRKnights
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8
This integral is just whooping my butt
  • 1MileCrash
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1
Quick order preserving map question
  • EV33
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3
Select the FIRST correct reason why the given series converges.
  • McAfee
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2
Abstract algebra question concerning center of a group
  • xcr
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9
Finding Volume of Solid in First Octant with Bounded Polar Equations
  • andromeda92
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1
Prove that N is a normal subgroup
  • AdrianZ
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4
Difference between dS and ds̄
  • TranscendArcu
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2
Using the Sequence Criterion for Closedness
  • RVP91
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16
Need helping evaluating this limit by expressing it as a definite integral
  • skyturnred
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2
Average Value and Area in Polar
  • TranscendArcu
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5
Prove that f(x)=x^4 - x - 1 has exactly one root
  • skyturnred
  • · Replies 4 ·
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4
Finding a group isomorphism under modulo multiplication
  • Hugheberdt
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5
Abstract Algebra: Ring Isomorphism Construction
  • lola1990
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3
Determine Coefficients of Fourier Sine Series in [0,π]
  • Silversonic
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6
How Do You Solve This Complex Integral?
  • skyturnred
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1
Finding the volume between two spheres
  • Djhar
  • · Replies 7 ·
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7
Determine whether the series converge or diverge
  • taekwondo22
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2
Question involving integration and cosine
  • pc2-brazil
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3
relation on A that is symmetric and transitive but not reflexive
  • Easy_as_Pi
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2
Solving Complex Integrals Using the Residue Theorem on Circular Contours
  • nickolas2730
  • · Replies 1 ·
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1
Lim x->0 (arctan(x^2))/(sinx+tanx)^2
  • skyturnred
  • · Replies 5 ·
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5
Lebesgue measurability proof - check my proof?
  • jinsing
  • · Replies 2 ·
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2
Proving Entire Function f(z) is Constant | Complex Analysis Proof
  • nickolas2730
  • · Replies 3 ·
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3
Measure Theory / Series of functions
  • spitz
  • · Replies 5 ·
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5
Are These Relations Reflexive, Antisymmetric, and Transitive?
  • brookey86
  • · Replies 4 ·
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4
How to solve an n-dimensional integral?
  • RoyGBiv12
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3
Finding the Suitable Parametrization for Computing ∫Cr (z - z0)n dz
  • nickolas2730
  • · Replies 4 ·
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4
Solving for Work Using Calculus
  • Markovnikov
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2
Elementary Linear Algebra - Similar Matrices and Rank
  • Rockoz
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3
Integral with product and limit
  • festinalente
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4
Ring homomorphism from Z4 to Z8
  • llstelle
  • · Replies 7 ·
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7
Calculus question involving sine and relative extrema
  • pc2-brazil
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5
Expanding Power Series for (x+x^2)/(1-x)^3 | Simplification Techniques
  • clarinetqueen
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6
Simplifying to a Geometric Series
  • xago
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5
Solving non-homogeneous PDE (unsure of methodology)
  • King Tony
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2
Roll 2 fair dice, find pdf and cdf
  • srk827
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1
Complex Line Integral (not too hard)
  • Jamin2112
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2
Finding Derivatives of Composite Functions in Calculus
  • lexismone
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4
Normalization of radial Laguerre-Gauss
  • DivGradCurl
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1
Flux of a Paraboloid without Parametrization
  • waters
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1
Setting up Integrals to find mass and center of mass
  • solomon684
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5
Comparing Daylight Increase in Philadelphia Using a Model
  • lexismone
  • · Replies 7 ·
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7
Second-Order Equations and Eigenvectors
  • tatianaiistb
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5
Analyzing a Continuous Decreasing Function: Critical Point at (4,2)
  • name_ask17
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8
TeX loves LATEXDoes F=x2y2-2x-2y have a minimum at the point x=y=1?
  • tatianaiistb
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2
Evaluate the limit by recognizing that it is a Rieman's sum
  • skyturnred
  • · Replies 16 ·
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16
Drawing a Region of Integration
  • TranscendArcu
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12
Integrating a Problematic Exponential: Solving 1st Order Linear ODE with e^(x^2)
  • DryRun
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6
Principal component analysis and greatest variation
  • visharad
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5
What are the elements of each order in D_n+Z_9 for n = 7 and 11?
  • ccrfan44
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How do I find the orthonormal basis for the intersection of subspaces U and V?
  • Intothephy7
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Taylor's Formula to derive higher order derivatives
  • eclayj
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Finding the derivative using the definition
  • Punkyc7
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5
What are the Spherical Coordinates for a Quarter Ball Volume?
  • mrkb80
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2
Surface Integral of a Cylindrical Surface
  • Iamblu
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Proof Related to the Binomial Theorem
  • icestone111
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5
Proving the Inductive Relationship for the Gamma Function
  • medeski
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1
Double-Angle Formula: Solving for (1+\cosh(v))(\cosh(v)-\cos(u))
  • Ted123
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A problem about differentiability
  • rasi
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2
Triple Integral - Change the order of integration
  • sirhc1
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2
Solving Jacobean Problem: Integrating (x+y) over x and y variables
  • mrkb80
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Determining if Numbers are in the Cantor Set
  • spitz
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2
Integration Q Homework: Integrate 4 with No Respective Variable?
  • studentxlol
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2
Finding Center of Mass of Thin Region in 1st Quadrant
  • MozAngeles
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1
[Linear Algebra] Basis, Linear Inependence
  • Highway
  • · Replies 17 ·
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17
How Do You Calculate ∂v/∂z from Given Multivariable Equations?
  • MeMoses
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1
Taylor's Theorem: Explaining the Sum Telescoping
  • glebovg
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1
Real or Imaginary? Solving x^6 + 1
  • Miike012
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3
Lagrange Multipliers. All variables cancel
  • NoOne0507
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8
I have a general question regarding eigenvalues/vectors. Say you are
  • kr0z3n
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2
Tripple Integral Calculation: Cube & Paraboloid
  • sandy.bridge
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2
Maximizing Function Using Partial Derivatives
  • SeannyBoi71
  • · Replies 13 ·
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13
Finding the period of a limit cycle
  • alexfloo
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1
Differential Equations 2nd Order Linear Constant-coefficient Problem
  • jake2
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2
Proving Conformal Self-Map of C is of form f(z)=az+b
  • murmillo
  • · Replies 1 ·
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1
Find Sum of Power Series: Hint and Tips
  • PCSL
  • · Replies 4 ·
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4
Definitions of integral over a bounded set.
  • gotjrgkr
  • · Replies 2 ·
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2
How can trigonometric substitutions be used to solve differential equations?
  • DryRun
  • · Replies 6 ·
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6
Boundaries Change With U-Sub? Huh?
  • TranscendArcu
  • · Replies 4 ·
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4
Complex Analysis: brach of the square root
  • tarheelborn
  • · Replies 2 ·
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2
How do I use the midpoint rule to approx integral sin(sqrt(x)) from 0 to 40
  • skyturnred
  • · Replies 3 ·
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3
Change the order of triple integration
  • cintapouwele
  • · Replies 12 ·
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12
Simple Calculus question but I don't understand
  • name_ask17
  • · Replies 4 ·
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4
Real Analysis Question: Sequences and Closed Sets
  • Szichedelic
  • · Replies 3 ·
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3
Showing the inequality holds for an interval (?)
  • life is maths
  • · Replies 11 ·
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11
Green's Function for Helmholtz Eqn in Cube
  • Herr Malus
  • · Replies 2 ·
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2
A problem about differentiability
  • rasi
  • · Replies 1 ·
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1
Finding the limit of a very complicated trig function + some extra questions
  • skyturnred
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2
F(x) = x if x is rational, 0 if x is irrational.
  • Mjjellen
  • · Replies 5 ·
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5
Flux Integral for a Surface Above a Disc with Downward Orientation
  • Instinctlol
  • · Replies 3 ·
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3
Is the Intersection of an Infinite Collection of Open Sets Always Open?
  • jinsing
  • · Replies 5 ·
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5
How Do You Calculate VμVμ with a Metric Tensor?
  • andrey21
  • · Replies 3 ·
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3
Show abelian group has element of order [m,n]
  • TopCat
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2