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

V not vector space with degree 3 polynomials

  • chantella28
  • · Replies 7 ·
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7

Eigenvalues of a 2 by 2 matrix

  • Benny
  • · Replies 9 ·
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9

Solving Derivatives Problems: Understanding dv/dt and dv/ds Differences

  • Mathnewbie
  • · Replies 1 ·
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1

How many subspaces of each dimension does Z_2^3 have?

  • Benny
  • · Replies 3 ·
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3

How to Find the Equation of a Plane with Three Given Points?

  • dagg3r
  • · Replies 2 ·
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2

Find Length of Curve x=cos(2t), y=3sin(2t): 0 or Not?

  • sibiryk
  • · Replies 6 ·
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6
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3

Fourier series of a step function using sine basis

  • stunner5000pt
  • · Replies 3 ·
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3

What is the Distribution Function for Y = aX + b?

  • Alexsandro
  • · Replies 1 ·
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1

Proving the Gamma Function Integral for $\frac{1}{2}$

  • amcavoy
  • · Replies 8 ·
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8

Can You Beat the Odds in This Probability Challenge?

  • JasonJo
  • · Replies 3 ·
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3

Finding a fraction using series.

  • misogynisticfeminist
  • · Replies 4 ·
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4

Finding elementary matrices E1 and E2 such that: B = E1E2A, confused

  • mr_coffee
  • · Replies 1 ·
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1

Finding Eigenvalues for Tridiagonal Matrix - Showing Orthogonality

  • eckiller
  • · Replies 1 ·
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1

Solving Integral: Different Answer with U-Substitution

  • LocationX
  • · Replies 1 ·
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1

Fractional Calculus and the Riemann Zeta function

  • benorin
  • · Replies 1 ·
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1

Proving the Spanning Property of Linearly Independent Columns in Lin Alg

  • tandoorichicken
  • · Replies 1 ·
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1

Are My Higher Derivative Answers Correct?

  • scorpa
  • · Replies 8 ·
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8

Understanding Distribution Functions: Proving and Verifying Their Properties

  • Alexsandro
  • · Replies 1 ·
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1

Finding k for Matrix: No Solutions, Infinite Solutions, Unique Solution

  • mr_coffee
  • · Replies 1 ·
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1

What is going to be the easiest approach?

  • mr_coffee
  • · Replies 5 ·
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5

What do i do now? Eigan vectors wee

  • mr_coffee
  • · Replies 2 ·
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2

Logarithmic differentiation to find dy/dx

  • BlackMamba
  • · Replies 19 ·
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19

Surface area of sphere above xy-plane within a cylinder

  • mathwurkz
  • · Replies 2 ·
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2

Understanding Derivatives in Scientific Calculations

  • powp
  • · Replies 7 ·
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7

Solving a 2nd Order ODE Using Series

  • Benny
  • · Replies 10 ·
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10
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2

Why does my polar integral evaluation give 0 instead of 8?

  • samh
  • · Replies 6 ·
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6

Proving Non-Linearity of a Transformation in R^3

  • Rounder01
  • · Replies 1 ·
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1

Probability of getting 3 on loaded die

  • jdstokes
  • · Replies 1 ·
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1

Proof of Electric Field Zero Inside Cylindrical Shell: Coulomb's Law

  • kant
  • · Replies 3 ·
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3

Collision Time for Vectors Equations w/ Coplanar Vectors

  • sachi
  • · Replies 2 ·
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2

Linear Algebra Practice Problems

  • kamui8899
  • · Replies 1 ·
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1

Finding the nth Derivative of a Rational Function

  • powp
  • · Replies 4 ·
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4

Horizontal Asymptote: lnx^2/x^2

  • gillgill
  • · Replies 7 ·
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7

Separation of variables for wave PDE with damping term

  • stunner5000pt
  • · Replies 10 ·
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10

Show that the functions sin x, sin 2x, sin 3x, are orthogonal

  • stunner5000pt
  • · Replies 1 ·
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1

Power rule for antiderivatives

  • porschedriver192
  • · Replies 4 ·
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4

Centers of groups and products of groups

  • hgj
  • · Replies 1 ·
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1

Matrix Representation of Differentiation Operator for Subspace S in C[a,b]

  • electricalcoolness
  • · Replies 2 ·
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2

Is f(x) uniformly continuous on [0, inf)?

  • Icebreaker
  • · Replies 2 ·
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2

Product of Uniformly Continuous Functions

  • Icebreaker
  • · Replies 2 ·
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2

Thread removed or solved

  • kamaruddin
  • · Replies 1 ·
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1

Finding determinant of 3x4 matrix instead of row reduction

  • mr_coffee
  • · Replies 7 ·
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7

If f(x+y) = f(x) + f(y) and f is continuous at 0, prove continuity everywhere

  • Icebreaker
  • · Replies 15 ·
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15

Solving Null Space Confusion in R^3

  • kamui8899
  • · Replies 4 ·
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4

Simple series but my answer looks wrong

  • Benny
  • · Replies 2 ·
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2

Solving a Limit: Finding the Right Approach

  • twoflower
  • · Replies 2 ·
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2

Directional Derivative Problem

  • meadow
  • · Replies 2 ·
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2

Speed of Shadow Moving 40 ft from Pole: Solving the Problem

  • dajugganaut
  • · Replies 1 ·
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1

Partial fractions decomposition of 1/(u²-1)

  • Swatch
  • · Replies 3 ·
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3

Calc I - Finding average velocity using integration

  • opticaltempest
  • · Replies 1 ·
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1

Matrix row reduction tutorial with infinite solutions

  • mr_coffee
  • · Replies 4 ·
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4

Determinant problem, matrices wee

  • mr_coffee
  • · Replies 3 ·
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3

Where Does the 3x Come From in e^(sec 3x)?

  • powp
  • · Replies 1 ·
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1

How Do Orthogonal Vectors Determine Unique Scalar Coefficients?

  • nepenthe
  • · Replies 5 ·
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5
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1

Calculating Variance of Variance Estimator for Normal Distribution

  • phonic
  • · Replies 1 ·
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1

Solving a Modelling Problem Involving a Sink

  • Harriet12
  • · Replies 3 ·
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3

Understanding Predator-Prey Systems with HPGSystemSolver

  • APool555
  • · Replies 2 ·
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2

Simple Single Variable Derivative Question

  • cappygal
  • · Replies 5 ·
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5

Finding the Derivative of f at (1,2) in a Different Direction

  • Odyssey
  • · Replies 4 ·
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4

Triple integral - solid tetradhedon

  • Whatupdoc
  • · Replies 1 ·
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1

Derivative of k(x): Understand with Examples

  • Tom McCurdy
  • · Replies 2 ·
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2

Volume of the solid enclosed by the paraboloids

  • Whatupdoc
  • · Replies 2 ·
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2

Is the Sequence a_n=(n-1)/n Monotonically Increasing and Convergent?

  • kreil
  • · Replies 3 ·
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3

How Do You Prove a Sequence Converges Below a Certain Limit?

  • kreil
  • · Replies 8 ·
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8

Max-Min problem - solve only with calculus

  • Ara macao
  • · Replies 3 ·
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3

Why is the product of connected spaces connected?

  • Oxymoron
  • · Replies 6 ·
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6

Linear Algebra: Basis for the Null Space of a Matrix

  • kamui8899
  • · Replies 5 ·
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5

Did My Matrix Calculations Lead to the Correct Solution?

  • elle
  • · Replies 3 ·
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3

Evaluating indefinite integral - toughie

  • don_anon25
  • · Replies 3 ·
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3

Implicif differential equation and zero

  • Yann
  • · Replies 6 ·
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6

Calculating Volume by Rotating y = e^x * sin(x) Around the x-Axis

  • TSN79
  • · Replies 4 ·
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4

How to Solve a Partial Differential Equation with Variable Coefficients

  • Beer-monster
  • · Replies 4 ·
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4

Solving d²y/dx² = -k²y for particle in a box

  • Just some guy
  • · Replies 3 ·
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3

Finding integral sin(x) cos(x) dx

  • TSN79
  • · Replies 10 ·
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10

Limit as (x,y,z)->0, I missed it on the exam but why?

  • mr_coffee
  • · Replies 6 ·
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6

How to integrate (e^x + 1)/(e^x - 1)

  • Swatch
  • · Replies 6 ·
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6

Basic Derivative: ln[(sin(x)^3)^3] - Is it Correct?

  • RJC
  • · Replies 6 ·
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6

Help with limit involving partial derivatives and symmetric function

  • StonedPanda
  • · Replies 2 ·
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2

Limits and Imp/Explicit Differentiation

  • Sesse
  • · Replies 1 ·
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1

Evaluating Limit: Sin(x + Sin x) at x=π

  • powp
  • · Replies 5 ·
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5

Chemistry and system of equations

  • brad sue
  • · Replies 2 ·
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2

Finding derivative of y + 1/(y+3)

  • brandon26
  • · Replies 7 ·
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7

Limits at a real number, using epsilon and delta

  • Nerpilis
  • · Replies 4 ·
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4

Derivate Question: Proving f'(0) Exists

  • musamba
  • · Replies 2 ·
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2

Checking solutions for first-order linear and chain rule problems

  • dagg3r
  • · Replies 1 ·
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1
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3

Is there a compact subspace of real numbers?

  • *melinda*
  • · Replies 13 ·
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13

Coupled differential equation project

  • uob_student
  • · Replies 1 ·
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1

What is the limit of \(\lim_{n\rightarrow\infty}(\frac{n+1}{n})^{n+1}\)?

  • Nerpilis
  • · Replies 6 ·
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6

Limits of Multivariable equations

  • cappygal
  • · Replies 1 ·
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1

Finding errors in my logarithm calculation

  • Focus
  • · Replies 7 ·
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7

Checking constant of integration assumptions in indefinite integral

  • opticaltempest
  • · Replies 4 ·
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4
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3

Efficient Composition of Functions for the Chain Rule Problem

  • dekoi
  • · Replies 6 ·
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6

Finding Units of Z[x]: Multiplicative Inverses or Identity?

  • 1800bigk
  • · Replies 4 ·
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4

Checking my optimization problem solution

  • opticaltempest
  • · Replies 4 ·
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4

Finding the Second Derivative Using Implicit Differentiation

  • dekoi
  • · Replies 16 ·
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16