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.
Does there exist a 2x2 non-singular matrix with only one 1d eigenspace?
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2
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525
Partial Differentiation of this Equation in x and y
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4
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415
Lagrange multipliers understanding
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8
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654
A question regarding continuous function on a closed interval
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9
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691
Direct Proof that every zero of p(T) is an eigenvalue of T
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24
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1K
Solving modified heat equation
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5
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432
Calculate the area intersected by a sphere and a rectangular prism
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4
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467
Solve integral by finding Fourier series of complex function
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3
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563
Compute sum (possibly using Parseval's formula)
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1
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530
A direct proof involving a positive summability kernel
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7
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544
Deduce orthogonality relations for sine and cosine w/ Euler's Formula
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1
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404
Show that a set has no "unique nearest point" property
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14
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660
Why is the Fourier coefficent calculated like this?
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4
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500
Intuition for gradient vector of multivariable functions
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2
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424
Integrate [cosec(30°+x)-cosec(60°+x)] dx in terms of tan x
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3
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498
How Do You Solve a Differential Equation Using an Ansatz?
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5
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696
Verify property of inner product
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21
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600
Integration of functions of form ##\dfrac{1}{ax+b}##
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10
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571
Probability density function of Z=X+Y and Z=XY
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19
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2K
Limit of probabilities of a large sample
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1
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470
Minimize integral using orthogonal basis
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2
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554
How Does Integration by Factors Relate to the Product Rule and FTC?
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30
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583
Prove 9 is eigenvalue of ##T^2\iff## 3 or -3 eigenvalue of ##T##.
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5
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720
Do these two statements imply an underlying induction proof?
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7
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574
Dirac delta function approximation
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13
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667
Why can one do this "trick" in the First Order Linear D.E. method?
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19
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1K
Operator T, ##T^2=I##, -1 not an eigenvalue of T, prove ##T=I##.
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2
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441
Show logical notation for being prime
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1
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1K
Finding a periodic solution to ODE
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16
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766
Plotting the approximation of the Dirac delta function
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3
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566
Electromagnetism: Force on a parabolic wire in uniform magnetic field
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20
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684
On pointwise convergence of Fourier series
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3
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630
Parametric curve question (determining unknown point)
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2
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537
Calculate the limit cos(x)/sin(x) when x approaches 0
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12
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1K
Finding the power loss in a wire of varying cross-sectional area
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8
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1K
Solve an ODE using Fourier series
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2
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497
How to Approach Solving a Nonlinear Second Order ODE with a Quadratic Term?
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4
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700
How should I show that ## B ## is given by the solution of this?
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2
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575
Fourier series of translated function
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1
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697
How should I calculate the stationary value of ## S[y] ##?
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2
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687
Variation of parameter VS Undetermined Coefficients
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7
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667
Evaluate limit of this integral using positive summability kernels
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2
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559
Can you help me understand this modification to a formula?
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14
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755
Help me prove integral answer over infinitesimal interval
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9
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741
How should I use the Jacobi equation to show this?
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4
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850
How Can I Solve This Differential Equation for x(y)?
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7
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698
Why Does Taylor's Theorem Use +O(ε) Instead of -O(ε)?
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3
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584
How should I use the Jacobi equation to determine the nature of this?
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5
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797
Solving Klein Gordon’s equation
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1
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583
How to determine the integration constants in solving the Klein Gordon equation?
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7
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714
Probability of hitting Homeruns at the Country Club
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3
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2K
Solving system of differential equations using elimination method
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10
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640
Electromagnetism question: Current flowing between concentric spheres
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3
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575
Orthogonality of 2 complex exponentials
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11
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683
Prove orthogonality of these curves
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7
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610
How does Rotating an Ellipse change its equation?
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13
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3K
Find the area of a segment of a circle using integration
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8
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792
Show that the limit (1+z/n)^n=e^z holds
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6
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605
Need a real life example where a partial derivative is used in motion
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3
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862
Partial Derivative Simplification
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3
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929
Obtain a nonzero solution of ##y''-4y'+x^2(y'-4y)=0## by inspection
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7
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817
Avoid unpleasant integrals in solving IVP
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3
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699
Prove ##a\cdot b = b \cdot a ##using Peano postulates
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3
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859
Checking series for convergence
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5
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664
Prove ##(a\cdot b)\cdot c =a\cdot (b \cdot c)## using Peano postulates
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1
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566
Find the volume of the solid bound by the three coordinate planes
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2
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607
Applying Stoke's Theorem: A Hint
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26
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2K
Solve the problem involving the given double integral
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1
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619
Linear homogenous system with repeated eigenvalues
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2
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721
Find the local maxima and minima for##f(x,y) = x^3-xy-x+xy^3-y^4##
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5
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683
Find the constrained maxima and minima of ##f(x,y,z)=x+y^2+2z##
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2
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634
Line Integral Solution for Curve γ: Simplifying Substitutions
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6
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610
Inner product between velocity and acceleration is zero (parametric)
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6
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678
Find the dimensions that will minimize the surface area of a Rectangle
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1
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574
Line Integral of circle in counterclockwise direction
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5
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869
Limit and Integration of ##f_n (x)##
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8
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858
Proof related to derivative and Big O notation
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19
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1K
Show that ##f(x,y)=u(x+cy)+v(x-cy)## is a solution of the given PDE
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9
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735
Solution verification of ODE using Frobenius' method
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3
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622
Prove ##(a+b)\cdot c=a\cdot c+b\cdot c## using Peano postulates
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3
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682
Solve this integral involving a fraction with a trig function
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11
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796
Proving limits for roots and exponents
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13
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872
Injective Function: Proving Correctness with Singlets ##S## and ##T## in ##X##
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9
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719
On weakly singular equations and Frobenius' method
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7
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707
Prove ##a \cdot 1 = a = 1 \cdot a## for ##a \in \mathbb{N}##
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1
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703
How to convert to the number of sand and Nylon particles from mass
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3
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694
Prove that ## 1^{p}+2^{p}+3^{p}+\dotsb +(p-1)^{p}\equiv 0\pmod {p} ##.
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6
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2K
Prove ##1 + a=s(a)=a+1## for ##a \in \mathbb{N}##
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1
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679
Exploring the Non-Existence of a Maximum in the Set (0,2)
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2
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634
Solve ##\int\frac{e^{-x}}{x^2}dx## and ##\int \frac{e^{-x}}{x}dx##
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7
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901
Prove every subset of countable set is either finite or else countable
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1
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677
Prove that every subset ##B## of ##A=\{1,...,n\}## is finite
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4
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622
On asymptotically stable systems and bounded solutions
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4
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747
Complex contour integral proof
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1
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666
Continue solutions of ODEs around the origin
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2
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663
I'm getting the wrong answer for the Indefinite Integral of: (x^2+2x)/(x+1)^2
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3
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1K
What is the formula for the norm of a vector cross product?
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5
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1K
Put the eigenvalue function in self-adjoint form
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2
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535
Prove if ##x<0## and ##y<z## then ##xy>xz## (Rudin)
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2
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802
Finding probability related to Poisson and Exponential Distribution
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6
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751

Calculus Homework Help

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