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.
Is the Maximum Modulus Theorem Applicable if E2 is Open and Non-Constant?
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291
Evaluate the given integrals - line integrals
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475
Can You Solve a Problem Using the Definition of Supremum?
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2
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295
Please check my calculations with these complex numbers
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11
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444
Frequencies for harmonic oscillator with multiple periodic solutions?
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6
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312
Fourier series of this scale and shift of triangle wave
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1
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291
Question about Absorption Laws in Boolean Algebra
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5
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326
Simplifying Boolean expressions
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10
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308
Simpliying this partial differential equation
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4
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304
Verify Green's Theorem in the given problem
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10
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531
Integer triangle with integer heights
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16
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340
Expectation of a sum of random variables
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11
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520
A few questions to make sure I understand Fourier series
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3
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364
How to express this Fourier coefficient without trig function?
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6
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301
Solve the problem involving space curve
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2
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336
Please help me understand a definition of a covariance function
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2
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307
Why only odd cosine terms in this Fourier series?
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327
Fourier Transform - Solutions Error?
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453
Test whether the diets are different from one another at ##α=5\%##
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375
Help understanding the definition of positive semidefinite matrix
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308
Help with the Separation of Variables and Integration
3
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1K
Conditions for the undetermined coefficients method to fail with sinusoidal input
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12
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448
Why is this not a general solution to this nonlinear DE?
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5
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346
Linearly independent functions with identically zero Wronskian
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358
Understanding Wronskian of solutions to homoeneous 2nd order linear DE
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2
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329
Solving a separable matrix ODE.
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3
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399
Solving a first order matrix differential equation
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6
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354
Show that the given function is continuous
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27
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793
Show uniqueness in Dirichlet problem in unit disk
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6
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451
Evaluate the limit of this harmonic series as n tends to infinity
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17
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688
Prove that solutions to autonomous first order DE can't have local maxima
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2
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370
Find the supremum of ##Y## if it exists. Justify your answer.
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20
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490
How to write sin(n*pi/2) as an expression (-1)^f(n)?
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8
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388
Integral of sinc function using Fourier series
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6
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505
Find the divergence and curl of the given vector field
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10
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509
Help me understand why this summation index is not j
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11
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459
Does there exist a 2x2 non-singular matrix with only one 1d eigenspace?
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2
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436
Partial Differentiation of this Equation in x and y
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4
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347
Lagrange multipliers understanding
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8
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528
A question regarding continuous function on a closed interval
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9
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586
Direct Proof that every zero of p(T) is an eigenvalue of T
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24
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888
Solving modified heat equation
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5
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304
Calculate the area intersected by a sphere and a rectangular prism
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4
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334
Solve integral by finding Fourier series of complex function
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3
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416
Compute sum (possibly using Parseval's formula)
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1
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389
A direct proof involving a positive summability kernel
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7
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482
Deduce orthogonality relations for sine and cosine w/ Euler's Formula
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1
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306
Show that a set has no "unique nearest point" property
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14
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551
Why is the Fourier coefficent calculated like this?
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4
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389
Intuition for gradient vector of multivariable functions
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2
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343
Integrate [cosec(30°+x)-cosec(60°+x)] dx in terms of tan x
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3
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378
How Do You Solve a Differential Equation Using an Ansatz?
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5
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590
Verify property of inner product
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21
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511
Integration of functions of form ##\dfrac{1}{ax+b}##
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10
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435
Probability density function of Z=X+Y and Z=XY
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19
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1K
Limit of probabilities of a large sample
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392
Minimize integral using orthogonal basis
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2
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417
How Does Integration by Factors Relate to the Product Rule and FTC?
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30
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515
Prove 9 is eigenvalue of ##T^2\iff## 3 or -3 eigenvalue of ##T##.
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5
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589
Do these two statements imply an underlying induction proof?
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7
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453
Dirac delta function approximation
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13
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531
Why can one do this "trick" in the First Order Linear D.E. method?
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19
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819
Operator T, ##T^2=I##, -1 not an eigenvalue of T, prove ##T=I##.
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2
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368
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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618
Plotting the approximation of the Dirac delta function
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3
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427
Electromagnetism: Force on a parabolic wire in uniform magnetic field
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20
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518
On pointwise convergence of Fourier series
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3
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467
Parametric curve question (determining unknown point)
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2
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439
Calculate the limit cos(x)/sin(x) when x approaches 0
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12
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888
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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410
How to Approach Solving a Nonlinear Second Order ODE with a Quadratic Term?
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4
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562
How should I show that ## B ## is given by the solution of this?
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494
Fourier series of translated function
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578
How should I calculate the stationary value of ## S[y] ##?
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2
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583
Variation of parameter VS Undetermined Coefficients
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7
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541
Evaluate limit of this integral using positive summability kernels
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2
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457
Can you help me understand this modification to a formula?
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14
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645
Help me prove integral answer over infinitesimal interval
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9
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598
How should I use the Jacobi equation to show this?
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4
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733
Help me solve differential equation please involving a fraction and a square root
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7
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557
Why Does Taylor's Theorem Use +O(ε) Instead of -O(ε)?
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3
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499
How should I use the Jacobi equation to determine the nature of this?
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5
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666
Solving Klein Gordon’s equation
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483
How to determine the integration constants in solving the Klein Gordon equation?
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7
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614
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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518
Electromagnetism question: Current flowing between concentric spheres
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3
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426
Orthogonality of 2 complex exponentials
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11
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589
Prove orthogonality of these curves
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7
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527
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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644
Show that the limit (1+z/n)^n=e^z holds
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6
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515
Need a real life example where a partial derivative is used in motion
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3
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675
Partial Derivative Simplification
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3
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807
Obtain a nonzero solution of ##y''-4y'+x^2(y'-4y)=0## by inspection
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7
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718
Avoid unpleasant integrals in solving IVP
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3
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606
Prove ##a\cdot b = b \cdot a ##using Peano postulates
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3
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719
Checking series for convergence
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5
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546

Calculus Homework Help

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