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

Simple sample variance problem

  • maxsthekat
  • · Replies 1 ·
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1

Does Scalar Multiplication Prove Zero Vector or Zero Scalar?

  • Saladsamurai
  • · Replies 16 ·
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16
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1

What do the sample points mean in a double integral problem?

  • bphysics
  • · Replies 1 ·
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1

Convergence or Divergence: What Does the Limit of the Series Reveal?

  • wheeler90
  • · Replies 3 ·
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3

Angular velocity of a connecting rod on a rotating wheel.

  • Samuelb88
  • · Replies 4 ·
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4
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1

Evaluate a simple double integral

  • theneedtoknow
  • · Replies 2 ·
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2

Use double integrals to show result of integration by parts

  • theneedtoknow
  • · Replies 8 ·
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8

Why is the delta function not defined as a regular function?

  • electron2
  • · Replies 5 ·
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5

What is the proof for dimV=dimU\bot+dimU?

  • evilpostingmong
  • · Replies 6 ·
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6

Prove that a double integral exists

  • theneedtoknow
  • · Replies 4 ·
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4

Linear Algebra: Show it's a vector space question

  • jack_bauer
  • · Replies 4 ·
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4

Help with f ' (a) and tangent lines

  • grollio
  • · Replies 4 ·
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4

Is the solution for trig substitution correct?

  • nameVoid
  • · Replies 1 ·
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1

What is the sum of two subspaces in linear algebra?

  • Saladsamurai
  • · Replies 4 ·
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4

Max/min with partial derivatives

  • compliant
  • · Replies 5 ·
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5

How can I plot the solutions of a differential equation using Maple?

  • OrigGan
  • · Replies 1 ·
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1
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5

Is a Given Set a Subspace Depending on a Parameter?

  • Saladsamurai
  • · Replies 7 ·
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7

Trig Limit Question: Solving for Undefined Result | Help Needed

  • helpcalc
  • · Replies 8 ·
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8

What is the range of values for g-1({-2,-1,0}) for a floor function?

  • TheLegace
  • · Replies 4 ·
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4

Prove Inverse of Bijection function

  • TheLegace
  • · Replies 4 ·
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4

Calculating the Derivative of U(t)y: DE for Dummies Ch. 2

  • Storm Butler
  • · Replies 1 ·
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1

Do field homomorphisms preserve characteristic

  • icantadd
  • · Replies 4 ·
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4

Riemann integral of arcsinh (have the answer, want an explanation)

  • foges
  • · Replies 2 ·
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2

Is Set B of Functions from Natural Numbers to {0,1} Countable?

  • AnthonyAcc
  • · Replies 4 ·
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4

3rd order, multi variable taylor polynomial

  • chy1013m1
  • · Replies 4 ·
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4

Prove that the following series converges for any fixed value

  • JG89
  • · Replies 5 ·
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5

[Elementary Linear Algebra]Idempotant Matrix

  • butterfli
  • · Replies 7 ·
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7

How to test if vectors span a space?

  • ramparts
  • · Replies 6 ·
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6

Probability of Two Cards Being Aces: Intro Stats Help

  • dherm56
  • · Replies 7 ·
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7

Circle inscribed in a parabola

  • Samuelb88
  • · Replies 1 ·
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1

Probability, Bivariate Normal Distribution

  • WHB3
  • · Replies 6 ·
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6

What Are the Discontinuities of the Function g on the Interval [0,1]?

  • foxjwill
  • · Replies 1 ·
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1

Question about cosine and Eulers identity

  • Rib5
  • · Replies 2 ·
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2

Axler Linear Algebra What does this notation mean?

  • Saladsamurai
  • · Replies 5 ·
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5

Finding the Derivative of y=x^3-3(x^2+pi^2): What's Wrong?

  • SELFMADE
  • · Replies 11 ·
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11

Verify that F^n is a vector space over F

  • Saladsamurai
  • · Replies 4 ·
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4

Three Problem Plus from Stewart Calculus

  • yupenn
  • · Replies 6 ·
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6

Integrating the square root of a linear function.

  • cptrsn
  • · Replies 3 ·
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3

Show two lines are parallel & find equation for their plane

  • jheld
  • · Replies 2 ·
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2

Probability, Moment-Generating Functions

  • WHB3
  • · Replies 6 ·
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6

Is (Aijxi)/xk a Tensor and What Kind?

  • ibc
  • · Replies 3 ·
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3

Get Help with Defining Functions in Mathematica

  • Qyzren
  • · Replies 1 ·
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1

Acute Angle between two vector-valued functions

  • SolfegeDuck
  • · Replies 5 ·
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5

How do I solve this trigonometric integral: I(tan^3x/cos^4x, x)?

  • nameVoid
  • · Replies 4 ·
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4
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4

Convergence of Series Using Integral Test

  • clairez93
  • · Replies 3 ·
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3

Trig substitition-lost in identities

  • phantomcow2
  • · Replies 2 ·
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2

What is the Expected Value of Discrete Random Variables?

  • forty
  • · Replies 3 ·
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3

Integrating Trig Functions: Solving Trig Integration Homework

  • nameVoid
  • · Replies 3 ·
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3

Linear Algebra 2 Conceptual Questions (Vector spaces)

  • Saladsamurai
  • · Replies 5 ·
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5

Find Perpendicular Planes Intersecting at a Point

  • mathman99
  • · Replies 1 ·
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1

Gradient vector for polar coordinates

  • compliant
  • · Replies 6 ·
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6
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2

How to Solve the Integral of xdx/[sqrt(1-x^2)*sqrt(1-A(x-b)^2)]?

  • krishna mohan
  • · Replies 4 ·
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4

Infinite Limit Complex Function

  • rmcclurk
  • · Replies 3 ·
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3

Calculating Ratio of BP and PC in Right Triangle ΔABC

  • songoku
  • · Replies 7 ·
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7

Limit of exp(z) (complex number)

  • rmcclurk
  • · Replies 4 ·
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4

Learn the Meaning of Calculus Symbols | Explanation and Tutorial"

  • The riddler
  • · Replies 3 ·
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3

Transformation of Coordinate Systems

  • minderbinder
  • · Replies 2 ·
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2

Why don't sin and arcsin cancel?

  • jumbogala
  • · Replies 26 ·
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26

Solving $\int Log(Sin(x))dx$ - Tips & Resources

  • Luhter
  • · Replies 12 ·
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12
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3

Rearrange this formula please

  • MikeNZ
  • · Replies 1 ·
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1

Calculating Work Required to Pump Water from a Hemispherical Tank

  • mystic3
  • · Replies 2 ·
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2

Unitary Transformation Problem

  • Sam_Goldberg
  • · Replies 2 ·
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2

Sum of the fourth powers of the first n positive integers

  • AGMS
  • · Replies 1 ·
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1

Analysis Riemann Integral problem

  • fraggle
  • · Replies 8 ·
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8

Linear Algebra: dimension of subspace question

  • jack_bauer
  • · Replies 3 ·
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3

Proving (a+b)^n = ∑(n_μ)(a^μ)(b^(n-μ)) | a=1, b=-1 using Sequences Test

  • AnthonyAcc
  • · Replies 5 ·
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5

Convergence of Improper Integrals: Two Examples

  • clairez93
  • · Replies 16 ·
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16

Calculate Vector V with Given Magnitude and Direction | Vector Calc Questions

  • r34racer01
  • · Replies 1 ·
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1

How Does the Openness of A Affect A∩B' in a Metric Space?

  • seyma
  • · Replies 3 ·
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3

What's the Flaw in this Algebraic Proof?

  • dianzz
  • · Replies 8 ·
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8

Help with Arc Length Problem: Evaluating Integral from x=8 to x=27

  • Liger20
  • · Replies 6 ·
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6

Counting on a Rectangular Array

  • snipez90
  • · Replies 2 ·
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2

A problem in algebric geometry

  • mathman99
  • · Replies 4 ·
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4

A problem of charateristic polynomials' divisibility

  • kof9595995
  • · Replies 25 ·
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25

Find Basis for Subspace of R^4 Generated by z

  • JG89
  • · Replies 8 ·
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8

Angular Velocity Calculation: 50sqrtroot3 Away from Shore

  • Tsizzle
  • · Replies 1 ·
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1

Sigma notation and parentheses question

  • Rib5
  • · Replies 7 ·
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7

Calculate a volume using the washer method

  • nameVoid
  • · Replies 1 ·
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1

Can the Implicit Function Theorem be Applied to Solve this System of Equations?

  • minderbinder
  • · Replies 2 ·
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2
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9

Linear AlgebraConceptual Question

  • Saladsamurai
  • · Replies 22 ·
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22

Show that Matrix Multiplication is Associative

  • Saladsamurai
  • · Replies 1 ·
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1

Centre of mass of truncated sphere

  • amjadmuhd
  • · Replies 12 ·
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12

Finding the Matrix Representation of a Linear Transformation with Given Basis

  • mlarson9000
  • · Replies 8 ·
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8

Solving Differential Eq. Part A, Now What? Help Needed!

  • Chewy0087
  • · Replies 6 ·
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6

Proving Subset Equality in Vector Spaces: S1∩S2 ⊆ S1 ∧ S2

  • kNYsJakE
  • · Replies 12 ·
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12
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2

Another Linear Transformation problem

  • mlarson9000
  • · Replies 6 ·
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6

Proof about inner product spaces

  • evilpostingmong
  • · Replies 2 ·
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2

Expectation Value of x: (2a+b)/4

  • roeb
  • · Replies 4 ·
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4

Solving Systems of DEs with Undetermined Coefficients

  • Melawrghk
  • · Replies 1 ·
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1

Is a single point in R compact?

  • fraggle
  • · Replies 6 ·
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6

Volume from rotating function about y axis

  • nameVoid
  • · Replies 3 ·
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3

Complex Number, properties of moduli

  • jianxu
  • · Replies 6 ·
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6