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.
Surface integral - question about "restrictions"
  • laser
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Can You Apply the Implicit Function Theorem Correctly?
  • Lambda96
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6
A broken stick problem: find distribution
  • psie
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Solving a first order differentiation equation
  • Pouyan_1989
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3
Curve for a line integral - direction confusion
  • laser
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9
Exercise on law of total expectation
  • psie
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Why is the Jacobian for polar coordinates sometimes negative?
  • laser
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5
Can I Use Substitution to Prove the Residue Theorem Integral?
  • MatinSAR
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5
Root test proof using Law of Algebra
  • member 731016
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6
Find conditional probability mass function
  • psie
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8
Proving convergence and divergence of series
  • member 731016
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3
Differentiating polynomial absolute value function
  • member 731016
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Double integration - switching limits
  • laser
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7
Limiting formula for differentiable function
  • member 731016
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6
Determine marginal densities and distributions from joint density
  • psie
  • · Replies 7 ·
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7
Confusion about determining distribution of sum of two random variables
  • psie
  • · Replies 6 ·
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6
Determining domain for C^1 function
  • lys04
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4
Question involving the Divergence Theorem and Surface Integrals
  • lys04
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2
How Do You Prove the Multivariable Chain Rule?
  • Lambda96
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4
Volume of Static Solid Using Cross-Sectional Area (Integration)
  • Ascendant0
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2
Why Does the Multidimensional Chain Rule Lead to Euler's Theorem Proof?
  • Lambda96
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2
Problem 1-23 and 1-24 from Spivak's Calculus on Manifolds
  • psie
  • · Replies 6 ·
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6
How to convert units when calculating a dimensionless quantity?
  • Safinaz
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4
Determining whether functions are sign definite, sign semidefinite, or sign indefinite
  • member 731016
  • · Replies 1 ·
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1
Solving initial value problem using Laplace transform
  • member 731016
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IVP problem using Laplace transform and partial fractions
  • member 731016
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1
Integrating an inequality for two functions of the same variable
  • member 731016
  • · Replies 9 ·
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9
Proving convergence of sequence from convergent subsequences
  • lys04
  • · Replies 15 ·
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15
Finding explicit forms of a function
  • member 731016
  • · Replies 7 ·
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7
Proof given ##x < y < z## and a twice differentiable function
  • member 731016
  • · Replies 8 ·
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8
Linearly independent vs dependent functions
  • member 731016
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3
Differentiable function proof given ##f''(c) = 1##
  • member 731016
  • · Replies 1 ·
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Liapunov’s Second Method proof
  • member 731016
  • · Replies 6 ·
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6
Finding where a function is sign definite, sign indefinite or sign semidefinite
  • member 731016
  • · Replies 2 ·
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2
Need help with a variation of the domino tiling problem
  • Ading
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1
Proving piecewise function is k-differentiable
  • member 731016
  • · Replies 5 ·
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5
Proof by induction for rational function
  • member 731016
  • · Replies 7 ·
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7
Taylor's Theorem for finding error for Taylor expansion
  • member 731016
  • · Replies 10 ·
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10
Proving stability of linear system equations
  • member 731016
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2
Integrals of isotropic tensors, for expansion over spherical harmonics
  • ergospherical
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3
Find an example of a linear functional with some properties
  • docnet
  • · Replies 8 ·
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8
Solve the given trigonometry equation
  • chwala
  • · Replies 7 ·
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7
How Can the Ratio Test Be Proven for Series Divergence When the Ratio Exceeds 1?
  • member 731016
  • · Replies 3 ·
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3
Determine marginal distribution of random vector on unit sphere
  • psie
  • · Replies 9 ·
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9
Calculating Laurent series of complex functions
  • MatinSAR
  • · Replies 3 ·
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3
Solve the given trigonometry problem
  • chwala
  • · Replies 3 ·
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3
Why can't a critical point of a system of DEs be complex?
  • zenterix
  • · Replies 27 ·
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27
How to Combine Equations to Solve an Exact ODE for H(x, y) = c?
  • member 731016
  • · Replies 3 ·
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3
Problem involving recursion theorem
  • issacnewton
  • · Replies 11 ·
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11
Solve the given first order Partial differential equation.
  • chwala
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1
How to draw phase portrait for 2x2 nonlinear system of DE?
  • zenterix
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Confusion about variables in polar coordinates
  • sdfsfasdfasf
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2
Continuous functions on metric spaces part 2
  • Lambda96
  • · Replies 8 ·
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8
Continuous functions on metric spaces
  • Lambda96
  • · Replies 14 ·
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14
Relationship between autonomous system and related single equation
  • zenterix
  • · Replies 3 ·
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3
Fundamental matrix for complex linear DE system
  • member 731016
  • · Replies 4 ·
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4
Prove the given hyperbolic trigonometry equation
  • chwala
  • · Replies 4 ·
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4
Coupled system of differential equations
  • member 731016
  • · Replies 12 ·
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12
Solving non-homogeneous system of ODE using matrix exponential
  • member 731016
  • · Replies 4 ·
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4
P-adic metric calculate limit
  • Lambda96
  • · Replies 7 ·
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7
True or false problem for double differentiable function
  • member 731016
  • · Replies 7 ·
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7
Fundamental matrix linear system equivalent to linear matrix system
  • member 731016
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2
Non-Differentiable Function proof
  • member 731016
  • · Replies 8 ·
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8
Solving system of differential equations using matrix exponential
  • member 731016
  • · Replies 3 ·
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3
Proving limit of rational function
  • member 731016
  • · Replies 9 ·
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9
Proving differentiability for a function from the definition
  • member 731016
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Proving function discontinuous at zero
  • member 731016
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Solving linear DE systems using fundamental matrix
  • member 731016
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2
Given specific v, dimension of subspace of L(V, W) where Tv=0?
  • zenterix
  • · Replies 15 ·
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15
Complex Eigenvalues of system of DE
  • member 731016
  • · Replies 3 ·
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3
What does a row matrix represent geometrically?
  • tellmesomething
  • · Replies 8 ·
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8
Finding general solution to linear system
  • member 731016
  • · Replies 1 ·
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1
Critical points of matrix
  • TanWu
  • · Replies 4 ·
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4
Hard MVT theorem proof Tutorial Q7
  • TanWu
  • · Replies 12 ·
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12
Proving differentiability for inverse function on given interval
  • TanWu
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3
Eigenvalue of matrix proof by induction
  • TanWu
  • · Replies 7 ·
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7
Linear Algebra Determinant proof
  • TanWu
  • · Replies 4 ·
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4
Proving well ordering principle from Peano Axioms
  • issacnewton
  • · Replies 9 ·
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9
Medium Hard continuity proof Tutorial Q6
  • TanWu
  • · Replies 2 ·
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2
Prove inequality of a convex function
  • Lambda96
  • · Replies 3 ·
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3
Valid conclusion for an absolutely convergent sequence
  • cherry
  • · Replies 4 ·
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4
Ratio Test vs AST
  • cherry
  • · Replies 4 ·
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4
Changing the minimum value of a probability matrix
  • Lucchini
  • · Replies 4 ·
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4
A "spiral" in the Complex plane
  • Hill
  • · Replies 4 ·
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4
Find the equation of the tangent plane and normal to a surface
  • chwala
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1
Basic infinitesmal doubt: Can there be a negative infinitesmal?
  • tellmesomething
  • · Replies 8 ·
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8
To deduce *geometrically*
  • Hill
  • · Replies 5 ·
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5
Verify Green's Formula for a Simple DE
  • zenterix
  • · Replies 1 ·
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1
Proving convergence of rational sequence
  • member 731016
  • · Replies 2 ·
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2
Problem in integrating to find Rutherford's formula
  • MatinSAR
  • · Replies 2 ·
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2
What's wrong in this manipulation of a square root of a negative number?
  • zenterix
  • · Replies 19 ·
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19
ODE with constant coefficient ##b##
  • member 731016
  • · Replies 11 ·
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11
Use the Shifting Theorem to find the Laplace transform
  • member 731016
  • · Replies 5 ·
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5
Laplace transform of proper rational function
  • member 731016
  • · Replies 6 ·
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6
Laplace transform of cosine squared function
  • member 731016
  • · Replies 1 ·
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1
Help calculating this limit please
  • Lambda96
  • · Replies 5 ·
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5
Integration problem using inscribed rectangles
  • chwala
  • · Replies 14 ·
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14
Find Values of Osculating Circle Tangent to a Parabola
  • Ascendant0
  • · Replies 4 ·
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4
Proving rational function converges from first principles
  • member 731016
  • · Replies 8 ·
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8
Use substitution to solve the definite integral
  • chwala
  • · Replies 9 ·
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9