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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397
Partial Differentiation of this Equation in x and y
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4
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319
Lagrange multipliers understanding
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8
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478
A question regarding continuous function on a closed interval
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9
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558
Direct Proof that every zero of p(T) is an eigenvalue of T
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24
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804
Solving modified heat equation
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5
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273
Calculate the area intersected by a sphere and a rectangular prism
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4
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305
Solve integral by finding Fourier series of complex function
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3
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372
Compute sum (possibly using Parseval's formula)
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1
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352
A direct proof involving a positive summability kernel
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7
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465
Deduce orthogonality relations for sine and cosine w/ Euler's Formula
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1
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290
Show that a set has no "unique nearest point" property
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14
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527
Why is the Fourier coefficent calculated like this?
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4
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363
Intuition for gradient vector of multivariable functions
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2
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318
Integrate [cosec(30°+x)-cosec(60°+x)] dx in terms of tan x
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3
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349
Solving a DE using an ansatz
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5
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533
Verify property of inner product
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21
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490
Integration of functions of form ##\dfrac{1}{ax+b}##
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10
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408
Probability density function of Z=X+Y and Z=XY
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19
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970
Limit of probabilities of a large sample
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1
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363
Minimize integral using orthogonal basis
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2
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373
How Does Integration by Factors Relate to the Product Rule and FTC?
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30
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488
Prove 9 is eigenvalue of ##T^2\iff## 3 or -3 eigenvalue of ##T##.
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5
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531
Do these two statements imply an underlying induction proof?
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7
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419
Dirac delta function approximation
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13
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490
Why can one do this "trick" in the First Order Linear D.E. method?
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19
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782
Operator T, ##T^2=I##, -1 not an eigenvalue of T, prove ##T=I##.
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2
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341
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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569
Plotting the approximation of the Dirac delta function
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3
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391
Electromagnetism: Force on a parabolic wire in uniform magnetic field
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20
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467
On pointwise convergence of Fourier series
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3
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422
Parametric curve question (determining unknown point)
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2
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409
Calculate the limit cos(x)/sin(x) when x approaches 0
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12
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790
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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376
How to Approach Solving a Nonlinear Second Order ODE with a Quadratic Term?
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4
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508
How should I show that ## B ## is given by the solution of this?
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2
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466
Fourier series of translated function
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1
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540
How should I calculate the stationary value of ## S[y] ##?
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2
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549
Variation of parameter VS Undetermined Coefficients
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7
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507
Evaluate limit of this integral using positive summability kernels
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2
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426
Can you help me understand this modification to a formula?
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14
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606
Help me prove integral answer over infinitesimal interval
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9
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553
How should I use the Jacobi equation to show this?
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4
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698
Help me solve differential equation please involving a fraction and a square root
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7
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528
Why Does Taylor's Theorem Use +O(ε) Instead of -O(ε)?
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3
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458
How should I use the Jacobi equation to determine the nature of this?
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5
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624
Solving Klein Gordon’s equation
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1
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447
How to determine the integration constants in solving the Klein Gordon equation?
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7
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600
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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484
Electromagnetism question: Current flowing between concentric spheres
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3
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395
Orthogonality of 2 complex exponentials
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11
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551
Prove orthogonality of these curves
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7
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511
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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605
Show that the limit (1+z/n)^n=e^z holds
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6
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483
Need a real life example where a partial derivative is used in motion
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3
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593
Partial Derivative Simplification
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3
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775
Obtain a nonzero solution of ##y''-4y'+x^2(y'-4y)=0## by inspection
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7
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694
Avoid unpleasant integrals in solving IVP
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3
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574
Prove ##a\cdot b = b \cdot a ##using Peano postulates
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3
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696
Checking series for convergence
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5
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492
Prove ##(a\cdot b)\cdot c =a\cdot (b \cdot c)## using Peano postulates
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1
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462
Find the volume of the solid bound by the three coordinate planes
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2
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455
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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497
Linear homogenous system with repeated eigenvalues
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2
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530
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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552
Find the constrained maxima and minima of ##f(x,y,z)=x+y^2+2z##
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2
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517
Line Integral Solution for Curve γ: Simplifying Substitutions
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6
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508
Inner product between velocity and acceleration is zero (parametric)
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6
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541
Find the dimensions that will minimize the surface area of a Rectangle
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1
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467
Line Integral of circle in counterclockwise direction
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5
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689
Limit and Integration of ##f_n (x)##
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8
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669
Proof related to derivative and Big O notation
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19
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782
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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593
Solution verification of ODE using Frobenius' method
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3
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499
Prove ##(a+b)\cdot c=a\cdot c+b\cdot c## using Peano postulates
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3
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525
Solve this integral involving a fraction with a trig function
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11
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632
Proving limits for roots and exponents
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13
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694
Injective Function: Proving Correctness with Singlets ##S## and ##T## in ##X##
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9
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615
On weakly singular equations and Frobenius' method
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7
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559
Prove ##a \cdot 1 = a = 1 \cdot a## for ##a \in \mathbb{N}##
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1
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522
How to convert to the number of sand and Nylon particles from mass
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3
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582
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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580
Exploring the Non-Existence of a Maximum in the Set (0,2)
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2
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509
Solve ##\int\frac{e^{-x}}{x^2}dx## and ##\int \frac{e^{-x}}{x}dx##
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7
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710
Prove every subset of countable set is either finite or else countable
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1
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511
Prove that every subset ##B## of ##A=\{1,...,n\}## is finite
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4
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506
On asymptotically stable systems and bounded solutions
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4
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607
Complex contour integral proof
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1
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548
Continue solutions of ODEs around the origin
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2
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509
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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976
Put the eigenvalue function in self-adjoint form
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2
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461
Prove if ##x<0## and ##y<z## then ##xy>xz## (Rudin)
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2
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599
Finding probability related to Poisson and Exponential Distribution
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6
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609

Calculus Homework Help

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