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

Finding the distance from origin to a tangent line

  • TyroneTheDino
  • · Replies 15 ·
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15

What is dx in differential forms and what is its domain?

  • brunoschiavo
  • · Replies 1 ·
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1

Definite integral involving partial fractions

  • Obliv
  • · Replies 3 ·
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3

Differentiation, I'm I doing it right?

  • Kingyou123
  • · Replies 3 ·
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3

Sum of Hermitian Matrices Proof

  • RJLiberator
  • · Replies 13 ·
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13

Eigenvalues are invariant but eigenvectors are not

  • squenshl
  • · Replies 19 ·
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19

Can the Convergence of a Sequence be Proven by Using Epsilon and Inequalities?

  • sebasvargasl
  • · Replies 3 ·
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3

Show a 2×2 matrix has full rank iff ad−bc≠0

  • squenshl
  • · Replies 4 ·
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4

Curvature and Tangent Line Distance Relationship

  • TyroneTheDino
  • · Replies 5 ·
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5

Find the equation of the plane in the canonical basis

  • Toncho1
  • · Replies 1 ·
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1

Prove that if bound sequence diverges > two subseq converge

  • FaroukYasser
  • · Replies 3 ·
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3

Can you break up a limit product when one limit is infinite?

  • lus1450
  • · Replies 5 ·
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5

Prove: (AB)*=A*B* Prove Matrix Conjugate Equality

  • RJLiberator
  • · Replies 7 ·
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7

Proving 1/e^(ix) = e^(-ix) using Complex Conjugate Property

  • RJLiberator
  • · Replies 6 ·
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6

Finding residues of z/(1-cos z) using Laurent series

  • jjr
  • · Replies 2 ·
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2

All 2x2 Hermitian and Unitary Matrices (Check My Proof)

  • RJLiberator
  • · Replies 3 ·
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3

Tangent of function and its limit position

  • gruba
  • · Replies 2 ·
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2

Stokes theorom question with a line

  • Austturt
  • · Replies 2 ·
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2
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4

Sum of Unitary Matrices Question

  • RJLiberator
  • · Replies 1 ·
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1

Geometric series and its derivatives

  • thepatient
  • · Replies 2 ·
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2

Check my Understanding of Unitary and Diagonal Matrices

  • RJLiberator
  • · Replies 10 ·
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10
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2

Expressing a vector D in terms of three non-coplanar vectors A, B, C

  • David B
  • · Replies 7 ·
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7

Integral of 1/(x^2 + 36)dx When and how to draw triangle?

  • Lo.Lee.Ta.
  • · Replies 2 ·
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2

Laplace Transforms Involving: Unit-Step, and Ramp Functions

  • ConnorM
  • · Replies 12 ·
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12

The Product of two Unitary Matrices is Unitary Proof

  • RJLiberator
  • · Replies 1 ·
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1

Proving Convergence of a Sequence Using Cauchy Criterion

  • andyfeynman
  • · Replies 3 ·
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3

Unitary Matrices and Their Entry Values Proof

  • RJLiberator
  • · Replies 11 ·
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11

Do similar matrices respect multiplication

  • jackmell
  • · Replies 9 ·
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9

Proof involving complex conjugates and Matrices

  • RJLiberator
  • · Replies 14 ·
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14

Finding k for A_ij A_ij = |a|² with antisymmetric tensor

  • S. Moger
  • · Replies 4 ·
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4

Discrete math: A, but not both B and C

  • Joseph1739
  • · Replies 5 ·
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5
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6

Curvature and radius of curvature of a cartesian equation

  • TyroneTheDino
  • · Replies 18 ·
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18

Intersection of line through a plane

  • goonking
  • · Replies 2 ·
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2

Sketch and identify the surface

  • goonking
  • · Replies 2 ·
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2

Determining whether a set is open, closed, or neither

  • yango_17
  • · Replies 1 ·
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1

Understanding Integrals and the Importance of Constants

  • keyermoond
  • · Replies 5 ·
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5

Value of Fourier Series from Two Equations

  • Incand
  • · Replies 5 ·
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5

Can homogeneous substitution solve this differential equation?

  • jdawg
  • · Replies 3 ·
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3

How Does the Chain Rule Apply in Polar Coordinates?

  • JohnTheMan
  • · Replies 4 ·
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4

Number of squareful integers less than x

  • Boorglar
  • · Replies 2 ·
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2

Solving a problem regarding Existence theorem.

  • bravoman
  • · Replies 3 ·
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3

Distance between vector and a plane proof

  • TyroneTheDino
  • · Replies 2 ·
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2

Double check a Calculus problem

  • loulou86
  • · Replies 8 ·
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8

Show group equivalence relation associated with normal subgroup

  • jackmell
  • · Replies 6 ·
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6

Find slope of multivariable function

  • dolle39
  • · Replies 1 ·
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1

Find the probability that the entire system will operate without failure

  • toothpaste666
  • · Replies 4 ·
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4

Balls transferred between two urns with conditional probability

  • toothpaste666
  • · Replies 2 ·
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2

Show that two events are independent

  • Shackleford
  • · Replies 7 ·
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7

What is the Geometric Approach to Proving Least Squares Approximation?

  • Samuel Williams
  • · Replies 7 ·
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7

Difficulty computing second derivative value in SHM problem

  • JDC123
  • · Replies 3 ·
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3

Proving <sin^2(k*r-wt)>= 1/2 using Time Average Integral Method

  • aakeso1
  • · Replies 4 ·
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4

Approximating Solutions to Differential Equations with Euler's Method

  • UltimateSomni
  • · Replies 2 ·
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2

Average of a sinusodial Function

  • YoshiMoshi
  • · Replies 3 ·
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3

How can I convert sigma notation into a finite geometric series?

  • A.J.710
  • · Replies 3 ·
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3

Calculus limit and sequence Question

  • mr.tea
  • · Replies 8 ·
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8

Time-shifted Integral with Unit Impulse Function

  • Les talons
  • · Replies 4 ·
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4

Prove n(n+1)(n+2) is divisible by 6

  • transmini
  • · Replies 5 ·
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5

Coefficient of a polynomial defined by Legendre polynomial

  • duc
  • · Replies 1 ·
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1

Find all orthogonal matrices in R

  • nuuskur
  • · Replies 3 ·
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3

Domain and range of a function of several variables

  • yango_17
  • · Replies 5 ·
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5

Transforming from cartesian to cylindrical and spherical

  • yango_17
  • · Replies 9 ·
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9

How coordinate lines transform under ##e^z=\frac{a-w}{a+w}##

  • davidbenari
  • · Replies 5 ·
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5

Sketching solids given spherical coordinate inequalities

  • yango_17
  • · Replies 3 ·
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3

Inverse Laplace Transform of a fractional F(s)

  • Italo Campoli
  • · Replies 6 ·
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6

A simple delta function properties, sifting property

  • hojoon yang
  • · Replies 5 ·
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5

Problem integrating over a sphere.

  • S. Moger
  • · Replies 8 ·
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8

Integration: inverse trigonometric functions

  • Maddie1609
  • · Replies 11 ·
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11

Deriving the heat equation in cylindrical coordinates

  • nettle404
  • · Replies 3 ·
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3

Integrate Cosx/1+sinx dx: No Parts Needed

  • HermitOfThebes
  • · Replies 9 ·
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9

Sketch the region: y ≤ x^2 and 4 ≥ y ≥ 0 and y ≥ 2x-4

  • HermitOfThebes
  • · Replies 6 ·
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6

Is there an easier way to find this limit rigorously?

  • FaroukYasser
  • · Replies 5 ·
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5

Calculate Limit: $\frac{\sqrt{z}-i+\sqrt{z+1}}{\sqrt{z^2-1}}$

  • jjr
  • · Replies 4 ·
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4

Show the set of limit points of A is closed

  • Ahmad Kishki
  • · Replies 16 ·
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16

Relative Frequencies of Payment Methods for Purchases

  • Shackleford
  • · Replies 4 ·
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4

If AB is the zero matrix and A is non-singular, must B be the zero matrix?

  • Tim 1234
  • · Replies 13 ·
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13

Orthogonal and Diagonal Matrices

  • RJLiberator
  • · Replies 11 ·
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11

Normalizer equals conjugation subset when X is finite

  • jackmell
  • · Replies 10 ·
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10

Find All Possible Matrix Inverses

  • RJLiberator
  • · Replies 8 ·
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8

Proving Matrix Transformation Property

  • RJLiberator
  • · Replies 4 ·
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4

How can the exact result of the summation with a+nb be calculated?

  • arpon
  • · Replies 3 ·
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3

How much does the radius at the surface of the water increase per inch?

  • caters
  • · Replies 3 ·
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3

What Is the Expected First-Passage Time in a Markov Chain?

  • PhyzX
  • · Replies 5 ·
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5

Linear Dependence/Linear Combination Question

  • Tim 1234
  • · Replies 2 ·
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2

Proving that a subspace of C is a field

  • lolittaFarhat
  • · Replies 2 ·
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2

Orthogonality of a curvilinear coordinate system

  • S. Moger
  • · Replies 11 ·
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11

Statistics, testing hypothesis

  • the_man
  • · Replies 1 ·
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1

Finding rotation axis and angle, using eigenvalues

  • ahmed markhoos
  • · Replies 8 ·
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8

Are there prime numbers n for which S=/0?

  • koulis
  • · Replies 1 ·
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1

Find the extreme values of the function

  • Julian12345
  • · Replies 1 ·
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1

Combinatronics, drawing exactly 1 ace from a card deck

  • whitejac
  • · Replies 4 ·
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4
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20

How Does Induction Prove the Probability Limit of Nested Sets?

  • TheMathNoob
  • · Replies 3 ·
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3

Plane through line of intersection perpendicular to another plane

  • space-time
  • · Replies 1 ·
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1

Solving a Differential Equation by Separation of Variables

  • MidgetDwarf
  • · Replies 5 ·
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5

Finding domain of function (need an explanation for 2 Qs)

  • iwantcalculus
  • · Replies 4 ·
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4

Finite difference Poisson's equation

  • aaaa202
  • · Replies 1 ·
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1

Proving lim(√(n+1) + √(n+2) - 2√(n+3)) = 0 with epsilon-N

  • FaroukYasser
  • · Replies 17 ·
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17