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

Which of these relations are functions of x on R

  • Erenjaeger
  • · Replies 4 ·
Replies
4

Using Contour Integration with no singularity

  • QFT25
  • · Replies 7 ·
Replies
7
Replies
3

Integrating Functions with Only One Variable for Beginners

  • NihalRi
  • · Replies 1 ·
Replies
1

Permuations of identical items

  • mr.tea
  • · Replies 7 ·
Replies
7

Showing that exponential functions are linearly independent

  • Mr Davis 97
  • · Replies 1 ·
Replies
1

Calculating Half life Decay in an Open system

  • pac0master
  • · Replies 4 ·
Replies
4

Evaluate the limit of the sequence

  • gkamal
  • · Replies 2 ·
Replies
2

Implicit Differentiation Question

  • RoyalFlush100
  • · Replies 2 ·
Replies
2

Prove that f(x,y)=U(x+y)+V(x-y)

  • lep11
  • · Replies 21 ·
Replies
21

Prove two polynomials are equal in R^n

  • lep11
  • · Replies 3 ·
Replies
3

Combinatorics: looking for an alternative solution

  • member 587159
  • · Replies 7 ·
Replies
7

Counting elements of a field and more

  • PsychonautQQ
  • · Replies 1 ·
Replies
1

Prove an extension is not normal

  • PsychonautQQ
  • · Replies 2 ·
Replies
2

Need help going back through test question

  • BillhB
  • · Replies 9 ·
Replies
9

A real parameter guaranteeing subspace invariance

  • TheSodesa
  • · Replies 26 ·
Replies
26

Geometric series algebra / exponential/ 2 summations

  • binbagsss
  • · Replies 2 ·
Replies
2

Integral of Sqrt(x)*e^-x: Step-by-Step Solution

  • ooohffff
  • · Replies 7 ·
Replies
7

Trying to find long run behaviour of a dynamical system

  • Razberryz
  • · Replies 10 ·
Replies
10

Identifying type of field extension

  • PsychonautQQ
  • · Replies 2 ·
Replies
2

Understanding the algebra behind these limit problems

  • Arnoldjavs3
  • · Replies 14 ·
Replies
14

Answer: Probability No Man Gets His Own Hat in Hat Matching Problem

  • hotvette
  • · Replies 1 ·
Replies
1

No Divisors Between an Integer and Twice it

  • Bashyboy
  • · Replies 3 ·
Replies
3

Finding transition matrix, no % probability given

  • Razberryz
  • · Replies 5 ·
Replies
5

Stuck finding a specific value of an inverse of a complex matrix

  • Razberryz
  • · Replies 1 ·
Replies
1

How to Sum an Infinite Series?

  • Buffu
  • · Replies 7 ·
Replies
7

Why Does the Series ∑ tan(1/n) Diverge?

  • Kaura
  • · Replies 4 ·
Replies
4

Limits of Multivariable Functions

  • CoolDude420
  • · Replies 3 ·
Replies
3

Change (9-16cos theta) ^1.5 into another form

  • chetzread
  • · Replies 7 ·
Replies
7

Sterling approximation of Beta Function

  • dykuma
  • · Replies 3 ·
Replies
3

Using substitution to turn a series into a power series.

  • Battlemage!
  • · Replies 3 ·
Replies
3

What Does C^3 Mean in Theorem 6.1?

  • irishetalon00
  • · Replies 4 ·
Replies
4

How Can Generalized Inverse Help Analyze Non-Uniform Tidal Data?

  • henrybrent
  • · Replies 1 ·
Replies
1

Curvature of r(t) = (3 sin t) i + (3 cos t) j + 4t k

  • chetzread
  • · Replies 22 ·
Replies
22

Obtaining General Solution of ODE

  • Munir M
  • · Replies 3 ·
Replies
3

Find ratio between dimensions of can w/ largest capacity

  • toforfiltum
  • · Replies 13 ·
Replies
13

Solid bounded by different region

  • chetzread
  • · Replies 34 ·
2
Replies
34

Parametric equation and vector equation

  • chetzread
  • · Replies 10 ·
Replies
10

How to determine if random variables x,y,z are independent?

  • lep11
  • · Replies 3 ·
Replies
3

Expected value and variance of max{Y_1,Y_2}

  • HaLAA
  • · Replies 6 ·
Replies
6

Centroid of solid enclosed by surface z= y^2 , plane x=0 ,

  • chetzread
  • · Replies 1 ·
Replies
1

Showing that B is invertible if A = BAB, where A is invertib

  • Mr Davis 97
  • · Replies 23 ·
Replies
23

Finding a splitting field over Z_13

  • PsychonautQQ
  • · Replies 5 ·
Replies
5

Algebra of displacement operator

  • spaghetti3451
  • · Replies 13 ·
Replies
13

Unit tangent vector of r(t) = (e^t)(cos t ) i + (e^t)(sin t

  • chetzread
  • · Replies 3 ·
Replies
3
Replies
3

Showing for which h a matrix is diagonalizable

  • Mr Davis 97
  • · Replies 1 ·
Replies
1

General proof of Arc Length For Parametrised Coodrdinates

  • bananabandana
  • · Replies 2 ·
Replies
2

Finding the minimal polynomial of primitive 15th root of 1

  • PsychonautQQ
  • · Replies 4 ·
Replies
4

Finding a splitting field over Q

  • PsychonautQQ
  • · Replies 2 ·
Replies
2

Solve Newton Interpolating Polynomial for Error

  • Lilia
  • · Replies 6 ·
Replies
6

Solid bounded by the cylinder (y^2) + (z^2) = 1 , cut by pla

  • chetzread
  • · Replies 41 ·
2
Replies
41

Related rates - finding hypotenuse of triangle

  • cmkluza
  • · Replies 2 ·
Replies
2

Surface portion bounded by plane 2x +5y + z = 10 that lies

  • chetzread
  • · Replies 25 ·
Replies
25

Double integral, find volume of solid

  • ooohffff
  • · Replies 2 ·
Replies
2

Find the equations of 2 tangents to a curve with a POI

  • Arnoldjavs3
  • · Replies 6 ·
Replies
6

Calculus of Variations; Maximum enclosed area problem.

  • Aaron Curran
  • · Replies 5 ·
Replies
5

Can a triangle be formed with these length constraints?

  • Nipuna Weerasekara
  • · Replies 11 ·
Replies
11

T/F: Orthogonal matrix has eigenvalues +1, -1

  • Mr Davis 97
  • · Replies 7 ·
Replies
7

Arbitrary constant in denominator

  • humphreybogart
  • · Replies 15 ·
Replies
15

Finding the minimal polynomial of an irrational over Q

  • PsychonautQQ
  • · Replies 1 ·
Replies
1

Determine the highest and lowest elevation on a path

  • Miley4567
  • · Replies 8 ·
Replies
8

Invertibilility of AB given that B is not invertible

  • Mr Davis 97
  • · Replies 4 ·
Replies
4
Replies
3

Finding the interval of convergence

  • NihalRi
  • · Replies 1 ·
Replies
1

Integration by part not working

  • nysnacc
  • · Replies 4 ·
Replies
4

Efficient Techniques for Solving Second Order Differential Equations

  • nysnacc
  • · Replies 14 ·
Replies
14

Finding inverse from matrix equation

  • Mr Davis 97
  • · Replies 3 ·
Replies
3

How Do You Handle a Discontinuous Derivative in Calculus?

  • Arnoldjavs3
  • · Replies 2 ·
Replies
2

Permutations (with repetitions) problem

  • NatFex
  • · Replies 5 ·
Replies
5

[Abstract Algebra] Permutations and shuffling cards

  • Klungo
  • · Replies 5 ·
Replies
5

Expressing defined integral as composition of differentiable functions

  • lep11
  • · Replies 7 ·
Replies
7

Integral of a hyperbolic function

  • Karol
  • · Replies 8 ·
Replies
8

Riemann Zeta Function showing converges uniformly for s>1

  • binbagsss
  • · Replies 1 ·
Replies
1

Derivation of Taylor Series in R^n

  • mastrofoffi
  • · Replies 2 ·
Replies
2

T/F: Subset of a spanning set always forms a basis

  • Mr Davis 97
  • · Replies 3 ·
Replies
3

Calculating Definite Integrals of $$f_n(x)$$

  • Hamal_Arietis
  • · Replies 16 ·
Replies
16

Error approximation using mean value theorem for mv-function

  • lep11
  • · Replies 7 ·
Replies
7

Surface area bounded by 2 different planes

  • chetzread
  • · Replies 4 ·
Replies
4

Mass of Region Bounded by y=sin(x), z=1-y, z=0, and x=0

  • TeslaCoil137
  • · Replies 2 ·
Replies
2

Probability of sum is 20 (4 dice are rolled)

  • jaus tail
  • · Replies 6 ·
Replies
6

Yes, that looks like a reasonable method to find the range of A(n). Good job!

  • Saracen Rue
  • · Replies 5 ·
Replies
5

About Nabla and index notation

  • Remixex
  • · Replies 2 ·
Replies
2

Showing a Set is not Connected

  • Bashyboy
  • · Replies 9 ·
Replies
9

Showing a polynomial is divisible by another over Z_5

  • PsychonautQQ
  • · Replies 3 ·
Replies
3

Variation of parameters: where is my mistake?

  • mmont012
  • · Replies 2 ·
Replies
2

Solve for the solution of the differential equation

  • Kanashii
  • · Replies 9 ·
Replies
9

Linear Differential Equations and Linear Operator Problem

  • whitegirlandrew
  • · Replies 4 ·
Replies
4

Application of r-groups of n-objects

  • hotvette
  • · Replies 3 ·
Replies
3

Isomorphism to certain Galois group and cyclic groups

  • PsychonautQQ
  • · Replies 1 ·
Replies
1

Pulling fractional exponents out of an expression

  • Cjosh
  • · Replies 4 ·
Replies
4

Finding the splitting field of x^4-7x in C over Q

  • PsychonautQQ
  • · Replies 4 ·
Replies
4

How do I find the eigenvalue given unknown rows & eigen vect

  • Razberryz
  • · Replies 10 ·
Replies
10

Did I do this problem from Spivak correctly?

  • mathemasochist
  • · Replies 5 ·
Replies
5

How integrate 1/(x(1+x^2)^0.5) dx

  • Yuravv
  • · Replies 8 ·
Replies
8

Surface Integral (Integral Setup)

  • Ronaldo95163
  • · Replies 1 ·
Replies
1

Find the exact value of a differential equation.

  • Sam Donovan
  • · Replies 4 ·
Replies
4

Calculating DH/dT for a Cone: Understanding dV/dH in the Volume Formula

  • quicksilver123
  • · Replies 7 ·
Replies
7

Let A, B, and C be vectors in R3....prove r lies in a plane

  • Sho Kano
  • · Replies 6 ·
Replies
6

Finding the minimal polynomial over Q

  • PsychonautQQ
  • · Replies 27 ·
Replies
27