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

Solving the Heat Equation for $u(x,t)$

  • stunner5000pt
  • · Replies 3 ·
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3

Do Right and Left Hand Limits Exist for All Increasing Functions?

  • SomeRandomGuy
  • · Replies 3 ·
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3

Real & Complex Analysis: Chapter 3 Exercises Requested

  • benorin
  • · Replies 0 ·
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0

Solving a Separation of Variables Problem: $u(x,t)$

  • stunner5000pt
  • · Replies 14 ·
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14

Vector Potential: How to Find it?

  • PrinceOfDarkness
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1
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4

Finding the antiderivative for fractions?

  • BlackMamba
  • · Replies 4 ·
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4

Prove "cos(2π/5) = (√5+1)/4" - Fred

  • Mathman23
  • · Replies 12 ·
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12
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3

Somebody help me save this solution

  • benorin
  • · Replies 25 ·
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25

Solving Parametric Equations for Tangent Line to Space Curve

  • Electro
  • · Replies 1 ·
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1

Reducible polynomials over Zp.

  • math-chick_41
  • · Replies 14 ·
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14
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1
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3

Can someone help me about skew symmetric?

  • JerryKelly
  • · Replies 5 ·
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5

Is This Function a Gradient? Testing for Line Integrals

  • SigmaCrisis
  • · Replies 3 ·
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3

Counting Homomorphisms: A Systematic Approach

  • Treadstone 71
  • · Replies 6 ·
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6
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6

Confused on why this subspace spans R^3, matrices fun

  • mr_coffee
  • · Replies 11 ·
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11

Help with an Integration problem

  • asdf1
  • · Replies 3 ·
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3
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3

Integral and its largest value

  • nepenthe
  • · Replies 3 ·
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3

How Many Recursions Needed to Reach k?

  • flying2000
  • · Replies 1 ·
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1

Help Simplifying Double Integral Question

  • elle
  • · Replies 4 ·
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4

I forgot how to do my ODES Stuck on a PDE question.

  • calvino
  • · Replies 1 ·
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1

Show R^2 is locally compact with non-standard metric

  • benorin
  • · Replies 4 ·
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4
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2

Textbook question on power series

  • Swatch
  • · Replies 7 ·
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7

Help with conservative line integrals.

  • seang
  • · Replies 1 ·
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1

Solving Int[e^(x^2) dx] w/ Integral Tables

  • relatively_me
  • · Replies 16 ·
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16

How Do You Integrate sqrt(tan(theta))?

  • shaiqbashir
  • · Replies 10 ·
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10

Regarding approximation theorem

  • standardflop
  • · Replies 2 ·
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2

Probability Questions: Get Help Now!

  • rpatel
  • · Replies 4 ·
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4

Proof: Fourier Transform of f(x) = f(-x)

  • Chen
  • · Replies 2 ·
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2

Integral - what does it represent?

  • Benny
  • · Replies 6 ·
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6

Using an identity to find the sum to n terms of a series

  • mr bob
  • · Replies 7 ·
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7

Proving t is a Metric for Real Numbers Pairs

  • happyg1
  • · Replies 6 ·
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6

Solving the Integral for Boltzmann Law for Scientists

  • jaap de vries
  • · Replies 5 ·
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5

Proving f(1) = 1 for a Surjective Ring Function

  • mattmns
  • · Replies 3 ·
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3

How Can Stoke's Theorem Be Applied to a Cube's Surface?

  • Benny
  • · Replies 2 ·
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2

Irreducibility Question (Rationals, Eisenstein)

  • mattmns
  • · Replies 4 ·
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4

Number Theory - Show harmonic numbers are not integers

  • viren_t2005
  • · Replies 3 ·
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3

Find LDL^T Factorization of Matrix: Solve Now!

  • stunner5000pt
  • · Replies 3 ·
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3

Properties of linear transformation, did my professor make an error?

  • mr_coffee
  • · Replies 3 ·
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3

Finding the kernel and range of a tranformation

  • Noone1982
  • · Replies 11 ·
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11

How to Prove a Function Has a Fixed Point on a Closed Interval?

  • SomeRandomGuy
  • · Replies 2 ·
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2

Proving Automorphism of Z_n with r in U(n)

  • johnnyboy2005
  • · Replies 6 ·
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6

The polar angle of a point with respect to another

  • twoflower
  • · Replies 2 ·
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2

Proving Similarity of Matrices: A Faster Approach

  • loli12
  • · Replies 7 ·
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7

Transformation from an ODE 2nd degree to ODE

  • brad sue
  • · Replies 1 ·
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1
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2

Understanding C^2 and Finding a Basis for V in [T]_beta for Complex C

  • loli12
  • · Replies 10 ·
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10

Calculus Problem: Dy/dt When Ladder Hits Ground?

  • Gimp
  • · Replies 5 ·
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5

Graphing a d.e. w/ a discountinous forcing function

  • georgeh
  • · Replies 1 ·
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1

Complex Fourier Series and Phase Spectra

  • mathwurkz
  • · Replies 1 ·
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1

Form acceleration to displacement

  • zhen
  • · Replies 8 ·
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8

Solving an Anti-Derivative Problem with Trigonometric Identities

  • zhen
  • · Replies 3 ·
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3

Prove Constant Function Cannot Satisfy Condition for r>1

  • Treadstone 71
  • · Replies 4 ·
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4
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5

Uniform Convergence of Fn(x)=nx(1-x^2)^n on [0,1]?

  • math-chick_41
  • · Replies 3 ·
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3

What function correspond to this series expansion?

  • QMrocks
  • · Replies 1 ·
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1

Solving the Equation: Epsilon = 0

  • Axll
  • · Replies 1 ·
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1

Why Are All Points in [0,1] Cluster Points of the Interval (0,1)?

  • happyg1
  • · Replies 1 ·
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1

Use differentiation to verify the integration formulas

  • ranger1716
  • · Replies 1 ·
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1

How Do You Solve for c in a Normal Distribution Problem?

  • littlerich
  • · Replies 2 ·
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2

Show R^2 is locally compact with non-standard metric: I

  • benorin
  • · Replies 2 ·
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2

What's the definition of a point being differentiable?

  • Treadstone 71
  • · Replies 4 ·
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4

Finding Concavity of y = Integral from x to 0

  • powp
  • · Replies 9 ·
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9

Prove span(S1 U S2) = span(S1) + span(S2)

  • ak416
  • · Replies 10 ·
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10

Evaluate Gaussian Integral with Complex $\mu$ and $\sigma$

  • bigplanet401
  • · Replies 4 ·
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4

Homeomorphism of Rings: Proving Existence for Prime Numbers p and q

  • TimNguyen
  • · Replies 1 ·
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1

Proving Group Isomorphism: Q& & Z[X]

  • TimNguyen
  • · Replies 11 ·
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11

Understanding Laplace Transform of f(t)

  • georgeh
  • · Replies 2 ·
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2

Prove: If a∈G, a^m,a^n∈S, m,n are relatively prime, then a∈S

  • TimNguyen
  • · Replies 14 ·
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14
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3

What is the correct eigenvector for lambda=4 in [8 -10;2 -1]?

  • jd1828
  • · Replies 10 ·
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10

Learn About Discrete Algorithms for Project

  • joecaveman
  • · Replies 1 ·
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1

E-Powers Homework Help: Understanding Why e^[i(phi)] * e^[-i(phi)] = 1

  • asdf1
  • · Replies 3 ·
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3

Solve for C: Find Value of Line Segment in 3D Graph

  • Weatherkid11
  • · Replies 3 ·
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3

Sum of Odd & Even Integers Always Odd?

  • asdf1
  • · Replies 3 ·
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3

What is the remainder when 23 raised to 98 is divided by 98?

  • viren_t2005
  • · Replies 1 ·
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1

Calculating Nth Derivative of a Function

  • daniel_i_l
  • · Replies 7 ·
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7

General question about trig functions

  • ms. confused
  • · Replies 1 ·
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1

Solving limit with algebraic tools

  • Yegor
  • · Replies 9 ·
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9

Find nth Derivative of (ax-b)^-1

  • daniel_i_l
  • · Replies 3 ·
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3

Starting Differential Equations: Finding the General Solution

  • UCN Student
  • · Replies 6 ·
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6

Question on Null and Image Space matrices wee

  • mr_coffee
  • · Replies 1 ·
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1

Calculus Solving logarithmic equations

  • an_mui
  • · Replies 5 ·
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5

What's the difference between these two D.E?

  • asdf1
  • · Replies 3 ·
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3

Power Series Method for Solving xy`-3y=k Differential Equation

  • asdf1
  • · Replies 5 ·
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5

Is the legendre equation an example of a frobenius equation?

  • asdf1
  • · Replies 5 ·
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5

Is sin convergent or divergent

  • trumpetplaya1687
  • · Replies 1 ·
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1

Permutations (wrong section before)

  • rocketboy
  • · Replies 3 ·
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3

Stats/Probability Theory REALLY

  • playboy
  • · Replies 2 ·
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2

Linear Transformations: One-to-One and Onto Conditions

  • playboy
  • · Replies 8 ·
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8

Proving Change of Variables Formula for Double Integral w/ Chain Rule

  • Benny
  • · Replies 5 ·
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5

Laplace Transforms: Solving [(Sin(t))^2] Problem

  • WhoWeAre
  • · Replies 1 ·
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1

How can the Poisson distribution be rewritten in terms of P(X <= 1)?

  • Bob19
  • · Replies 3 ·
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3

Sketching a graph based on certain conditions

  • BlackMamba
  • · Replies 3 ·
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3

Solving Integral Issues: "If b∫f(x)dx = a + 2b, then ∫ (f(x) + 5)dx?

  • kenny87
  • · Replies 10 ·
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10