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.
Alternate form of Principle of superposition
  • member 731016
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Find Matrix P and the Diagonal Matrix D
  • chwala
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Comparison test to determine convergence
  • Needassistance0987
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Find the solution to the given differential equation
  • chwala
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4
Show that the system of equations has no unique solution
  • chwala
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How should I find the nontrivial stationary paths?
  • Math100
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10
Obtain an equation of the plane in the form ##px+qy+rz=d##
  • chwala
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5
Show proof of point C in the given problem that involves Polar equation
  • chwala
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3
How to Determine Correct Inverse Trig Angle?
  • Ascendant0
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Laplace transform of ##f(t)=(u(t)-u(t-2\pi))\sin{t}##
  • zenterix
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Find the equation of the invariant line through the origin
  • chwala
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Use method of difference to find sum of series
  • chwala
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Use Euler method to determine the approximation of given problem
  • chwala
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Determining the horizontal asymptote
  • chwala
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Find sum of all odd square numbers
  • chwala
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Solve the problem that involves Binomial distribution and hypothesis test
  • chwala
  • · Replies 10 ·
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10
Reduction of order for Second Order Differential Equation
  • member 731016
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2
Potential of a rotationally symmetric charge distribution
  • deuteron
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Related rates problem for the dimensions of a cylinder
  • nikk33213
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Surface Integral of a sphere
  • TheGreatDeadOne
  • · Replies 9 ·
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9
Question on Two Differentiation Techniques
  • Ascendant0
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25
Partial fractions with complex linear terms
  • zenterix
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8
Can Natural Numbers m and n Satisfy x + 1/m < y - 1/n?
  • mathstudent1
  • · Replies 22 ·
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The chain rule for the Stratonovich integral
  • docnet
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Determine limits of integration in double integral change of variables
  • zenterix
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Quadratics Having a Common Tangent
  • Ascendant0
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Prove that this series converges uniformly on R
  • zenterix
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4
Finding the Last Non-Zero Digit of a Repeated Factorial Expression
  • MAXIM LI
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Understanding Conditional Expectation, Variance, and Precision Matrices
  • MAXIM LI
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Is It Possible to Invert a Homotopy?
  • Ben2
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Calculating the area of regions between two curves
  • Saba
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Solve (t^2-1)y'' +4ty'+2y=6t, given two particular solutions
  • CGandC
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Geodesic on a sphere and on a plane in 2D
  • MatinSAR
  • · Replies 13 ·
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Find the modulus and the argument of ##\dfrac{2}{(4-2i)^2}##
  • chwala
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How to show that these sequences are summable?
  • zenterix
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Solving differential equation (t^2-1)y''-6y=1
  • CGandC
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Is the Parameterization Correct in Leithold's Stokes' Theorem Problem?
  • runinfang
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Calculate this Integral around the Circular Path using Green's Theorem
  • runinfang
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Is this a valid representation of a derivative?
  • docnet
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12
Assume that if the real-valued function h(x) is Lipschitz continuous...
  • docnet
  • · Replies 22 ·
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Obtaining stability criterion for 2nd order ODEs in coefficient form
  • zenterix
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At what ##x## value is the tangent equally inclined to the given curve?
  • chwala
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Prove if ##a\cdot c = b \cdot c## then ##a = b## using Peano postulates
  • issacnewton
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How Do Right-Side Homotopies Affect Homotopy Equivalence?
  • Ben2
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Proof that T is bounded below with ##inf T = 2M##
  • member 731016
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Poisson process is identical on equal intervals?
  • docnet
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Given unit impulse response, obtain differential equation
  • zenterix
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Interval of convergence of power series from ratio test
  • zenterix
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Understanding calculation of 2nd order LTI DE response to step input
  • zenterix
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Is the Maximum Modulus Theorem Applicable if E2 is Open and Non-Constant?
  • laurabon
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Evaluate the given integrals - line integrals
  • chwala
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Can You Solve a Problem Using the Definition of Supremum?
  • member 731016
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Please check my calculations with these complex numbers
  • MatinSAR
  • · Replies 11 ·
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Frequencies for harmonic oscillator with multiple periodic solutions?
  • zenterix
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Fourier series of this scale and shift of triangle wave
  • zenterix
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Question about Absorption Laws in Boolean Algebra
  • polyglot
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Simplifying Boolean expressions
  • polyglot
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Simpliying this partial differential equation
  • Safinaz
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Verify Green's Theorem in the given problem
  • chwala
  • · Replies 10 ·
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Integer triangle with integer heights
  • mathics
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Expectation of a sum of random variables
  • docnet
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A few questions to make sure I understand Fourier series
  • zenterix
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How to express this Fourier coefficient without trig function?
  • zenterix
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Solve the problem involving space curve
  • chwala
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Please help me understand a definition of a covariance function
  • docnet
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Why only odd cosine terms in this Fourier series?
  • zenterix
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Fourier Transform - Solutions Error?
  • flyusx
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Test whether the diets are different from one another at ##α=5\%##
  • chwala
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Help understanding the definition of positive semidefinite matrix
  • docnet
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Help with the Separation of Variables and Integration
  • silento
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What Makes the Undetermined Coefficients Method Fail with Sinusoidal Input?
  • zenterix
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Why is this not a general solution to this nonlinear DE?
  • zenterix
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Linearly independent functions with identically zero Wronskian
  • zenterix
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Understanding Wronskian of solutions to homoeneous 2nd order linear DE
  • zenterix
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Solving a separable matrix ODE.
  • docnet
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Solving a first order matrix differential equation
  • docnet
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Show that the given function is continuous
  • chwala
  • · Replies 27 ·
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Show uniqueness in Dirichlet problem in unit disk
  • psie
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Evaluate the limit of this harmonic series as n tends to infinity
  • Aurelius120
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Prove that solutions to autonomous first order DE can't have local maxima
  • zenterix
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Find the supremum of ##Y## if it exists. Justify your answer.
  • chwala
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How to write sin(n*pi/2) as an expression (-1)^f(n)?
  • zenterix
  • · Replies 8 ·
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Integral of sinc function using Fourier series
  • psie
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Find the divergence and curl of the given vector field
  • chwala
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Help me understand why this summation index is not j
  • docnet
  • · Replies 11 ·
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Does there exist a 2x2 non-singular matrix with only one 1d eigenspace?
  • zenterix
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Partial Differentiation of this Equation in x and y
  • Martyn Arthur
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Lagrange multipliers understanding
  • lys04
  • · Replies 8 ·
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A question regarding continuous function on a closed interval
  • aalma
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Direct Proof that every zero of p(T) is an eigenvalue of T
  • zenterix
  • · Replies 24 ·
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Solving modified heat equation
  • psie
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Calculate the area intersected by a sphere and a rectangular prism
  • guv
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Solve integral by finding Fourier series of complex function
  • psie
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Compute sum (possibly using Parseval's formula)
  • psie
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A direct proof involving a positive summability kernel
  • psie
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Deduce orthogonality relations for sine and cosine w/ Euler's Formula
  • zenterix
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Show that a set has no "unique nearest point" property
  • psie
  • · Replies 14 ·
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Why is the Fourier coefficent calculated like this?
  • arhzz
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Intuition for gradient vector of multivariable functions
  • lys04
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Integrate [cosec(30°+x)-cosec(60°+x)] dx in terms of tan x
  • Aurelius120
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