Calculus and Beyond Homework Help Forum

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.

Threads

Stick is broken randomly EDIT TWICE, what is expected length of small side?

  • member 428835
  • · Replies 29 ·
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29

Evaluate the definite integral in the given problem

  • chwala
  • · Replies 1 ·
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1

Evaluate ##\int_{-\infty}^{\infty} e^{-|x|}\delta(x^2 +2x -3) dx##

  • DragonBlight
  • · Replies 7 ·
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7

Fourier transform ##f(t) = te^{-at}##

  • DragonBlight
  • · Replies 6 ·
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6

Fourier transform: duality property and convolution

  • fatpotato
  • · Replies 1 ·
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1

For ## n\geq 2 ##, ## \sqrt[n]{n} ## is irrational?

  • Math100
  • · Replies 9 ·
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9

Which of the following statements are true? (Real Analysis question)

  • CGandC
  • · Replies 15 ·
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15

Proof: Twin Primes Always Result in Perfect Squares

  • Math100
  • · Replies 3 ·
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3

Classifying singularities of a function

  • penroseandpaper
  • · Replies 2 ·
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2

Proof involving ##ω(ξ,n)=u(x,y)## - Partial differential equations

  • chwala
  • · Replies 5 ·
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5

Standard deviation of response

  • MahaRoho
  • · Replies 6 ·
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6

A doubt in Partial fraction decomposition

  • Physics Slayer
  • · Replies 8 ·
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8

Integrals that keep me up at night

  • Physics Slayer
  • · Replies 22 ·
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22

Derivatives and the chain rule

  • AL107
  • · Replies 5 ·
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5

Change of variable for Jacobian: is there a method?

  • fatpotato
  • · Replies 5 ·
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5

Frequency Response Problem for given system

  • ace130
  • · Replies 1 ·
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1

Is result of vector inner product retained after matrix multiplication?

  • Master1022
  • · Replies 5 ·
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5

If ## a ## is a positive integer and ## \sqrt[n]{a} ## is rational?

  • Math100
  • · Replies 20 ·
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20

Wolfram gave me one answer, examiners gave me another

  • Saibot
  • · Replies 4 ·
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4

Convex Optimization: Dual Function Definition

  • Master1022
  • · Replies 4 ·
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4

How Do You Simplify and Analyze Taylor Polynomials for Higher Degree Functions?

  • stunner5000pt
  • · Replies 5 ·
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5

Solve the simultaneous congruence modulo equation

  • chwala
  • · Replies 3 ·
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3

Best way to distribute exam questions to students for a fair exam

  • member 428835
  • · Replies 11 ·
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11

Simultaneous Trigonometric Equations - solving for angles

  • m101
  • · Replies 4 ·
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4

Determine the probability of ##P(x>4)##

  • chwala
  • · Replies 9 ·
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9

A discrete-time queue Markov Chain problem

  • Joe1998
  • · Replies 12 ·
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12

Finding the maximum size of an Initial Value Problem coefficient

  • MathMan2022
  • · Replies 2 ·
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2

Calculating Distance Using Trapezoid Rule: A Scientific Approach

  • kfulton
  • · Replies 3 ·
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3

Doubt In Explanation of Proof of Chain Rule

  • mopit_011
  • · Replies 9 ·
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9

Prove that ## \sqrt{p} ## is irrational for any prime ## p ##?

  • Math100
  • · Replies 5 ·
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5

Every integer n>1 is the product of a square-free integer?

  • Math100
  • · Replies 5 ·
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5

Resistance of a half ring of a given resistivity

  • Tronx
  • · Replies 10 ·
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10

Estimating maximum percentage error using partial differentiation

  • manareus
  • · Replies 10 ·
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10

Problem involving Probability density function

  • chwala
  • · Replies 6 ·
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6

Finding the differential equation of motion

  • dbeckam
  • · Replies 4 ·
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4

Finding the Wrong Answer with Stokes' Theorem

  • greg_rack
  • · Replies 4 ·
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4

An integer n>1 is square-free if and only if?

  • Math100
  • · Replies 13 ·
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13

Calculating the Line Integral of F over C: Stokes' Theorem and Symmetry

  • greg_rack
  • · Replies 6 ·
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6

Solve the problem involving Anova -Statistics

  • chwala
  • · Replies 8 ·
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8

Sifting property of a Dirac delta inverse Mellin transformation

  • happyparticle
  • · Replies 31 ·
2
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31

Finding the area of a double integral using dxdy instead of dydx

  • ago01
  • · Replies 4 ·
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4

Determine whether the integer 701 is prime by testing?

  • Math100
  • · Replies 1 ·
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1

Evaluating cosine function from ##-\infty## to ##\infty##

  • happyparticle
  • · Replies 3 ·
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3

The integral of (sin x + arctan x)/x^2 diverges over (0,∞)

  • CGandC
  • · Replies 5 ·
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5

Criterion for a positive integer a>1 to be a square

  • Math100
  • · Replies 4 ·
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4

What Are the Limits of Simple Functions as x Approaches Infinity?

  • chwala
  • · Replies 7 ·
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7

Understanding Schur's First Lemma in Group Representations

  • ergospherical
  • · Replies 2 ·
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2

Indefinite Integration of Heaviside function muliplied by a function

  • MahaRoho
  • · Replies 3 ·
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3

Finding the distribution of random variables

  • LokLe
  • · Replies 9 ·
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9

[Bayes' Theorem] Finding the probability of guessing correctly

  • LokLe
  • · Replies 13 ·
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13

Prove n^2+2^n Composite if n not 6k+3

  • Math100
  • · Replies 30 ·
2
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30

Understanding the Mean value theorem

  • chwala
  • · Replies 5 ·
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5

How to check if a polynomial is irreducible over the rationals

  • MathematicalPhysicist
  • · Replies 18 ·
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18

Mellin transform of Dirac delta function ##\delta(t-a)##

  • happyparticle
  • · Replies 3 ·
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3

Time to Empty a Tank with Water Flowing at 2h kg/s

  • Manshah
  • · Replies 1 ·
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1

If ## p\geq q\geq 5 ## and ## p ## and ## q ## are both primes ....

  • Math100
  • · Replies 30 ·
2
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30

Question about the convergence of a series

  • Amaelle
  • · Replies 11 ·
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11

Find the radius of the smaller circle in the tangent problem

  • chwala
  • · Replies 5 ·
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5

Find the probability of choosing exactly 4 red cards

  • chwala
  • · Replies 5 ·
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5

Show that k is an odd integer, except when k=2

  • Math100
  • · Replies 9 ·
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9

If ## p\neq5 ## is an odd prime, prove that either ## p^{2}-1 ## or....

  • Math100
  • · Replies 15 ·
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15

How to Find an Answer to 2^n + 1 Prime Question

  • Math100
  • · Replies 11 ·
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11

Show that if d is a metric, then d'=sqrt(d) is a metric

  • docnet
  • · Replies 8 ·
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8

Find the flux of a vector field

  • falyusuf
  • · Replies 1 ·
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1

Exploring Sums of Finite/Infinitesimal Numbers: Q29

  • rstor
  • · Replies 13 ·
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13

Find all prime numbers that divide 50

  • Math100
  • · Replies 22 ·
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22

Prove limit comparison test for Integrals

  • CGandC
  • · Replies 2 ·
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2

Properties of limits of exponential functions

  • A dummy progression
  • · Replies 5 ·
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5

If n>4 is composite, then n divides (n-1) ?

  • Math100
  • · Replies 12 ·
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12

Partial fraction decomposition with Laplace transformation in ODE

  • arhzz
  • · Replies 9 ·
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9

Write |exp(2z+i)| in terms of x and y

  • ver_mathstats
  • · Replies 6 ·
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6

Each integer n>11 can be written as the sum of two composite numbers?

  • Math100
  • · Replies 7 ·
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7

Rational epsilon-delta limit proof questions

  • bamajon1974
  • · Replies 9 ·
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9

Is this solution to a limit equation correct?

  • nedfin
  • · Replies 3 ·
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3

Any integer of the form ## 8^n+1 ##, where n##\geq##1, is composite?

  • Math100
  • · Replies 5 ·
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5

Given that p is a prime? (Review/verify this proof)?

  • Math100
  • · Replies 4 ·
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4

Every integer of the form n^4+4, with n>1, is composite?

  • Math100
  • · Replies 4 ·
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4

If p##\geq##5 is a prime number, show that p^{2}+2 is composite?

  • Math100
  • · Replies 3 ·
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3

Please review/verify this proof of assertion (Number Theory)

  • Math100
  • · Replies 7 ·
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7

The only prime p for which 3p+1 is a perfect square is p=5?

  • Math100
  • · Replies 15 ·
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15

Reparameterizing a curve in path length parameter

  • Marioweee
  • · Replies 1 ·
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1

Find two possible values of ##z## in the complex number problem

  • chwala
  • · Replies 6 ·
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6

Issue converting dV to dx dy dz

  • Addez123
  • · Replies 2 ·
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2

Find the complex number which satisfies the given equation

  • chwala
  • · Replies 6 ·
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6

Find ##z## in the form ##a+bi## under Complex Numbers

  • chwala
  • · Replies 2 ·
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2

The only prime of the form n^2-4 is 5?

  • Math100
  • · Replies 2 ·
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2

The only prime of the form n^3-1 is 7?

  • Math100
  • · Replies 2 ·
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2

Vector problem: Questions about a unit vector

  • WendysRules
  • · Replies 13 ·
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13

If ##A^3=0## then ##A-Z## is nonsingular

  • Hall
  • · Replies 28 ·
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28

Can anyone please review/verify this proof of assertion?

  • Math100
  • · Replies 5 ·
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5

Question regarding eigenvectors

  • arhzz
  • · Replies 7 ·
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7

Spectral Graph Clustering: where does the 'scoring' function come from

  • Master1022
  • · Replies 1 ·
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1

Classification of a second order partial differential equation

  • sylent33
  • · Replies 5 ·
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5

How many men, women, and children are there?

  • Math100
  • · Replies 5 ·
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5
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5

Why is this method valid to show function is PSD?

  • Master1022
  • · Replies 3 ·
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3

Domain of definition differential equations

  • arhzz
  • · Replies 2 ·
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2

How many coins are there? (Please verify/confirm my work)

  • Math100
  • · Replies 19 ·
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19

Fourier Transforms -- Please check my solution

  • warhammer
  • · Replies 6 ·
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6

Trouble seeing the difference between autograder answer and my own

  • ago01
  • · Replies 2 ·
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2