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

Savings equation with annual deposits and continuous compounding

  • jofree87
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1

Green's theorem for finding area.

  • mathman44
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3

Integration by Parts - Choice of variables

  • takarin
  • · Replies 2 ·
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2

Use lagrange multipliers to find the shortest distance

  • anubis01
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2

Second order ODE with sine and cosine forcing

  • james.farrow
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4

Dimension of Hom(K)(U,V) and Basis of the Vector Space

  • mathmathmad
  • · Replies 13 ·
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13

Dot product of vector and symmetric linear map?

  • Combinatus
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2

Isomorphism of orientation preserving rigid motions

  • kp266
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3

Direct formula derived from recursive formula

  • Eider
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3

Prove or disprove: A and A transpose have the same eigenspaces

  • zeion
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3

Prove that similar matrices have the same rank

  • zeion
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1

Markov Chain - Find the Stationary Distribution

  • jgbradley1
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2

How Do Rank Properties of Idempotent Matrices Affect Their Sum?

  • mpegwmvavi
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6

When Does A Equal the Power Set of Its Union?

  • dreyvas
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1
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9

Proving a sequence has the given limit.

  • The_Iceflash
  • · Replies 4 ·
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4

Proving a^k ≡ b^k (mod n) using modular arithmetic

  • scottstapp
  • · Replies 3 ·
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3

Proving the Ideal Property of the Preimage of a Homomorphism

  • tom.young84
  • · Replies 16 ·
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16

Finding f^-1(10) and its derivative for f(x) = x^3 + 4x + 6

  • srfriggen
  • · Replies 7 ·
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7

Function in terms of x with 2 y variables

  • Asphyxiated
  • · Replies 12 ·
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12

Finding the Limit of $\frac{5^x-1}{4x}^\frac{1}{x}$

  • Zhalfirin88
  • · Replies 30 ·
2
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30

Is S Closed Under Addition in R^(2x2)?

  • WTFsandwich
  • · Replies 3 ·
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3

2nd-Order Non-homogeneous Differential Equations

  • the_dialogue
  • · Replies 8 ·
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8

Why are Bessel function solutions eigenfunctions and orthogonal bases?

  • the_dialogue
  • · Replies 2 ·
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2

Calculating Degree of Taylor Polynomial for Approximating sqrt(e)

  • IntegrateMe
  • · Replies 21 ·
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21

Vector-Parametric Equation of a Plane

  • BeanbagxD
  • · Replies 2 ·
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2

Does a Scalene Triangle Exist? Proving Its Existence with a Simple Construction

  • dancergirlie
  • · Replies 1 ·
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1

Proving Similarity of Inverse Matrices

  • zeion
  • · Replies 15 ·
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15

Solving a special type of a second order differential equation

  • Jim4592
  • · Replies 1 ·
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1

Convergence of a Series with Trig Functions

  • HypeBeast23
  • · Replies 1 ·
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1

Equation of both lines that are tangent to the graph y=x^2

  • francis21
  • · Replies 3 ·
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3

Proving a number is congruent to its digit sum modulo 9

  • scottstapp
  • · Replies 3 ·
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3
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6

How do I compute Fourier transforms by hand from the definition?

  • Xjac0bmichael
  • · Replies 1 ·
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1

Limit of (4-xy)/(4+xy) as (x,y) approaches (2,-2)

  • rhololkeolke
  • · Replies 6 ·
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6

Extending f(x) as an Even Function: Obtain Cosine Fourier Series

  • tomeatworld
  • · Replies 3 ·
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3

Line integral uncertain about direction.

  • aleee
  • · Replies 4 ·
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4

Matrix Similarity Proof - need someone to check if it's correct

  • jumbogala
  • · Replies 3 ·
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3

Solving Bernoulli's ODE with y' + p(x)y=q(x)y^n

  • Mechdude
  • · Replies 4 ·
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4
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7

Permutations of symmetries in a regular pentagon

  • cat.inthe.hat
  • · Replies 4 ·
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4

How can I use the Quotient Rule for derivatives to simplify my final result?

  • Agent M27
  • · Replies 1 ·
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1

Finding the Expression for U(x) Under Change of Variables

  • Kreizhn
  • · Replies 1 ·
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1

Integrating volume of blended cylinder with polynomial profile

  • minger
  • · Replies 1 ·
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1
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1

Is S a Subspace of P4?

  • Susanne217
  • · Replies 23 ·
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23

Permutations of the word SUPERSTITIOUS

  • Lainababe
  • · Replies 1 ·
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1

Tetrahedron car crash prevention

  • djuiceholder
  • · Replies 4 ·
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4

Proving (x*y*z^-1)^-1 = x*y^-1*x^-1 in a group

  • Seb97
  • · Replies 1 ·
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1

Linear Algebra Problems (Easy?)

  • gasaway.ryan
  • · Replies 3 ·
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3

Integration by Parts with sin and ln(x)

  • Ayesh
  • · Replies 10 ·
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10

What is the force exerted on the 7.7 kg block by the 10 kg block?

  • cmajor
  • · Replies 1 ·
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1

Expanding ordered triples to set notation using nested pairs

  • amiv4
  • · Replies 1 ·
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1

Identity Matrix: Is Inverse Always True for n>=2?

  • mathmathmad
  • · Replies 1 ·
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1

Taylor series for e^(x/2) and deriving series for (e^(x/2) - 1)/x

  • thedudescousin
  • · Replies 3 ·
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3

Differentiability + Continuity?

  • mathmathmad
  • · Replies 7 ·
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7
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3

Which Integral Form Matches the Simplification of x(lnx)^2 dx?

  • electronicxco
  • · Replies 1 ·
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1

How to determine if a set is an open subset of a Euclidean space?

  • kelp
  • · Replies 1 ·
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1

Equivalence Relation: Proving R and Finding Class

  • Pingunoot
  • · Replies 1 ·
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1

How do you take the partial derivative of this monster?

  • Raziel2701
  • · Replies 2 ·
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2

How do I solve this differential equation: dx/dt = 3 m/s for x(t)?

  • ct fisher
  • · Replies 1 ·
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1

Prove/Disprove Range(A) = Range(A^T)

  • simmonj7
  • · Replies 2 ·
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2

Finding a permutation η where αη = β and proving a group is Abelian

  • m-chan
  • · Replies 2 ·
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2

Finding the derivative of f(x) = √3 cos⁵(sin(x²) - 3/∛x)

  • thesailorbaby
  • · Replies 2 ·
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2

Density function of random variables E(X|Y) and E(Y|X)

  • saizen21
  • · Replies 1 ·
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1

Wave Equation and Energy Conservation for a Stretched String

  • Kate2010
  • · Replies 3 ·
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3

Reduction formula for integral with cosine and sine powers

  • Integral8850
  • · Replies 1 ·
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1

Forgetting my inverse tangent, polar form of compelx number ASTC

  • thomas49th
  • · Replies 1 ·
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1

Show functions of this form are a vector space etc

  • BustedBreaks
  • · Replies 5 ·
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5

Volume when y=16-x² and y=16-4x are revolved around x=8

  • jason177
  • · Replies 1 ·
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1

Finding the dimension (Linear Algebra)

  • EV33
  • · Replies 7 ·
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7

Finding a 2×2 matrix A such that Ax is always parallel to [1,2]

  • cwatki14
  • · Replies 3 ·
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3

Decompose Matrix A with PLU-Decomposition - Numerical Analysis

  • hgylfason
  • · Replies 3 ·
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3

Taylor Expansion for rational function

  • KEØM
  • · Replies 3 ·
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3

X is an accumulation point show there is subsequence that converges to x

  • jrsweet
  • · Replies 2 ·
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2

Finding expected value from moment generating function

  • jaejoon89
  • · Replies 1 ·
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1

Find the area given the curves

  • jwxie
  • · Replies 2 ·
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2

Cant understand this integral(probability)

  • nhrock3
  • · Replies 4 ·
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4

Linear Dependence of Functions with Absolute Value

  • jinksys
  • · Replies 3 ·
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3

Ordrinary Differential Equation Problem

  • Aequiveri
  • · Replies 7 ·
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7

Differential Equations: System of equations

  • SpiffyEh
  • · Replies 6 ·
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6

Is R an Equivalence Relation in R x R Based on a Quadratic Equation?

  • nikie1o2
  • · Replies 5 ·
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5

Do Subsets of Natural Numbers Have Cluster Points?

  • cocobaby
  • · Replies 1 ·
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1

Finding the order of an element in a finite group

  • bennyska
  • · Replies 1 ·
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1
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5

How Can You Integrate Complex Fractions Like This One?

  • heisgirl20
  • · Replies 1 ·
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1

Linear Algebra - Polynomial Subsets of Subspaces

  • kaitamasaki
  • · Replies 1 ·
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1

Find Matrix of Linear Transformation T w/ Respect to Basis B

  • kiwifruit
  • · Replies 4 ·
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4

Second derivative of x³eˣ using the product rule

  • tjohn101
  • · Replies 11 ·
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11

Is d(1,3) allowed to be greater than d(1,100) in metric spaces?

  • kingwinner
  • · Replies 8 ·
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8

Recursive formula for sequence 1, -2, 3, -4, 5

  • Twistlock
  • · Replies 2 ·
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2

Moment of inertia of a rotated line

  • rock.freak667
  • · Replies 0 ·
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0

Prove A Invertible, Idempotent Matrix A = In Sub n

  • ephemeral1
  • · Replies 11 ·
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11

How many 3-fold covering spaces does S1 V S1 have?

  • cantgetright
  • · Replies 1 ·
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1

What is Numerical Equivalence of Sets and How is it Defined?

  • Piglet1024
  • · Replies 1 ·
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1

Show isomorphism for element g in group G

  • bennyska
  • · Replies 5 ·
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5

Plane engines, defective products, and hypergeometric distribution problems

  • rock.freak667
  • · Replies 19 ·
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19

Linear algebra proofs (linear equations/inverses)

  • yankans
  • · Replies 6 ·
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6

Solving (dS/dx)² + mω²x² = a

  • Pyroadept
  • · Replies 1 ·
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1