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

Linear Transform: Proving Action Determined by Basis

  • DanielFaraday
  • · Replies 1 ·
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Laplace Transform of t*e^(it): Real Part

  • cragar
  • · Replies 6 ·
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6

Proving time invarianceof a system

  • electron2
  • · Replies 7 ·
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7

Describing and Sketching an Ellipsoid

  • PotnlMathmtcn
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14

Prove that T is injective if and only if T* is surjective

  • evilpostingmong
  • · Replies 11 ·
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11

Quick Partial Derivatives question - exp(x+z)

  • maks4
  • · Replies 2 ·
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2

Probability of 1 Phone Call: Solve w/ Exponential Distrib.

  • Providence88
  • · Replies 4 ·
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4

Linear Algebra (Meaning of Rank)

  • DanielFaraday
  • · Replies 4 ·
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4

Proof Homework Statement: Question About Convergence

  • JG89
  • · Replies 9 ·
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9

How Do You Integrate Sqrt[e^x + 1]?

  • maxsthekat
  • · Replies 12 ·
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12

Prove limit of complex function

  • complexnumber
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4
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Prove limit of complex function 2

  • complexnumber
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1

What is the limit of the function as z approaches 0?

  • Benzoate
  • · Replies 7 ·
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7

Linear Algebra - Find unit vector orthogonal to 2, 4-space vectors?

  • twotaileddemon
  • · Replies 32 ·
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32

Linear Transformation problem. .

  • kNYsJakE
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1

Clarification of change of variables for multiple integration

  • theneedtoknow
  • · Replies 2 ·
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2

Why does the value of cos(t) turn to 1 in the solution for v_c(0)=0?

  • electron2
  • · Replies 7 ·
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7

Diff Eq problem, Laplace Transform

  • DF19
  • · Replies 4 ·
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4

Solve Normal Distribution Homework with Mean 5, Standard Deviation 4

  • sisyphus0321
  • · Replies 1 ·
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1

Volume of Container - Triple Integral

  • phyzmatix
  • · Replies 4 ·
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4

How Do You Calculate a Line Integral for a Helical Path?

  • harvellt
  • · Replies 7 ·
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7

Partial fractions and integral

  • nameVoid
  • · Replies 2 ·
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2

Complex Summation: Understanding Discrete Time Function

  • WolfOfTheSteps
  • · Replies 4 ·
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4

Arc Length 3-D: Find Length Between (8,4,0) & (24,36,4log(3))

  • mknut389
  • · Replies 3 ·
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3

Big-O With Change of Base for Log

  • TheLegace
  • · Replies 3 ·
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3
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12

Integration by Parts with Power Reduction - Confirming Solution

  • nameVoid
  • · Replies 1 ·
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1

Proving No Local Minimum Exist in Functional J(y) for Given Boundary Conditions

  • daudaudaudau
  • · Replies 8 ·
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8

Calculating mass by double integral

  • Sami Lakka
  • · Replies 1 ·
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1

A^k matrix singularity and (A^k)^-1 = (A^-1)^k

  • ramtin
  • · Replies 7 ·
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7

Integrating Log[1+x] using Series Expansion

  • ritwik06
  • · Replies 6 ·
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6

Foorier transformation question

  • electron2
  • · Replies 1 ·
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1

Calculating Probability of Non-Capturing Rooks on a Chessboard

  • fk378
  • · Replies 10 ·
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10

How do I solve the integral of cos^2(x) using trigonometric identities?

  • Starwatcher16
  • · Replies 1 ·
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1

Why Does Including the Zero Vector Make a Set Linearly Dependent?

  • dracolnyte
  • · Replies 3 ·
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3

Proving Vector Independence: A & B Not Parallel

  • dracolnyte
  • · Replies 1 ·
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1

Find inverse function of binary entropy

  • emma83
  • · Replies 9 ·
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9

How Does the Determinant Change When Applying a Similarity Transformation?

  • mlarson9000
  • · Replies 5 ·
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5

Taylor Approximations and Error Analysis for ln(x+1) and arcsin(0.4)

  • clairez93
  • · Replies 3 ·
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3

How to solve the ODE y'' + y = sin(x)

  • toastie
  • · Replies 1 ·
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1

Help understanding the proof of De Morgan's Law

  • Isaac12
  • · Replies 1 ·
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1

Proving W=V When W is a Subspace of an n-Dimensional Vector Space

  • mlarson9000
  • · Replies 4 ·
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4

Why there is a minus in the power

  • electron2
  • · Replies 2 ·
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2

Using min. when calculating limits

  • brainy kevin
  • · Replies 3 ·
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3

Proving Unique Decomposition of a Square Matrix

  • mlarson9000
  • · Replies 4 ·
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4

Analysis Questions-Thanks for helping me

  • BustedBreaks
  • · Replies 23 ·
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23

Integration by Parts for ∫ xlnx/(x^2-1)^(1/2)dx

  • nameVoid
  • · Replies 1 ·
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1

Parametrize intersection of a plane and paraboloid

  • re12
  • · Replies 4 ·
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4

Proving the Sum of Ratios of Tangent Lines to Points on a Parabola is 1

  • Samuelb88
  • · Replies 1 ·
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1

How Do You Calculate f(1/x) and f(x+y) for f(x) = 1/(1+x)?

  • potmobius
  • · Replies 6 ·
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6

Find the general solution of Bernoulli Eq

  • Ready2GoXtr
  • · Replies 2 ·
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2

Why Use the Wronskian Method for Differential Equations?

  • electron2
  • · Replies 1 ·
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1

Is the Set of Solutions to a Homogeneous System of Equations a Subspace?

  • DanielFaraday
  • · Replies 6 ·
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6

Linear Algebra (Linearly Independent vs. Linearly Dependent)

  • DanielFaraday
  • · Replies 10 ·
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10

Are there any infinitesimals in R?

  • avec_holl
  • · Replies 5 ·
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5

Helps needed with this diff qn

  • miraclezdr
  • · Replies 2 ·
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2

Linear Algebra (Linear Transformation)

  • DanielFaraday
  • · Replies 14 ·
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14

Vector Derivatives: Finding Perpendicularity at Roots

  • jeff1evesque
  • · Replies 3 ·
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3

Diff equation last step of the solution

  • electron2
  • · Replies 14 ·
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14

Calculating Work: Contour Integration vs Stokes Theorem

  • jeff1evesque
  • · Replies 3 ·
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3

How Do You Integrate 1/(x^(1/2) - x^(1/3))?

  • Footballer010
  • · Replies 11 ·
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11

Triangle Area Ratios and Point Positioning

  • songoku
  • · Replies 12 ·
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12

Formula for T with respect to Linear Transformations

  • Ptricky
  • · Replies 8 ·
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8

Why is \hat{a} \bullet \vec{ds} = ds? Explaining Stokes Theorem.

  • jeff1evesque
  • · Replies 11 ·
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11

Understanding the Quotient Rule for Differentiation

  • morbello
  • · Replies 23 ·
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23

Determining when an integral converges or diverges

  • genu
  • · Replies 1 ·
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1
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2

Something about exterior algebra

  • ltd5241
  • · Replies 3 ·
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3

Subspace Intersection Problem: Proving W1 and W2 in R^n

  • mlarson9000
  • · Replies 4 ·
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4
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4

Is U Invariant under T if PUTPU = TPU?

  • evilpostingmong
  • · Replies 1 ·
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1

Differentiation by the Product Rule

  • Timiop2008
  • · Replies 6 ·
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6

How Do You Integrate 6x^2e^(x^3) in Differential Equations?

  • montana111
  • · Replies 3 ·
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3

Spherical coordinates equation

  • yitriana
  • · Replies 3 ·
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3

Part 2Find a Subset that is not a Subspace

  • Saladsamurai
  • · Replies 13 ·
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13

Explicit Equations for Implicit Set at (0,0): First Partial Derivatives

  • minderbinder
  • · Replies 1 ·
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1

Let X be a positive variable with E(X) =5 and E(X)^2 =31.25

  • Matt Wirtz
  • · Replies 2 ·
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2

Improper Integrals / Antiderivatives.

  • mortokr
  • · Replies 3 ·
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3

Proving (-a)(-b)=ab Using Field Axioms

  • omri3012
  • · Replies 5 ·
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5

How to draw this grapg on paper

  • electron2
  • · Replies 1 ·
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1

Basic Derivation with negative exponents

  • fyamnky
  • · Replies 3 ·
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3

Prove that the intersection of subspaces is subspace

  • Saladsamurai
  • · Replies 44 ·
2
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44

Solving Problems with the Chain, Product, and Quotient Rule

  • Timiop2008
  • · Replies 3 ·
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3

HFinding Z-Limits in a Solid Horn Rotated Around the Y-Axis

  • jeff1evesque
  • · Replies 6 ·
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6

Find Volume of Sphere using Spherical Coordinates

  • jeff1evesque
  • · Replies 2 ·
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2

What is the Intersection of a Plane and Cylinder?

  • electron2
  • · Replies 1 ·
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1

Big-O Estimate for (n*logn + 1)^2 + (logn + 1)(n^2+1) - Homework Problem

  • TheLegace
  • · Replies 1 ·
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1

Does Monotonicity and Boundedness Imply Bounded Variation?

  • JG89
  • · Replies 1 ·
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1

Proving Set Theory Equations with Nullspace Intersection

  • pinkyjoshi65
  • · Replies 6 ·
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6

Partial Fractions: Is My Set Up Right?

  • cragar
  • · Replies 5 ·
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5

Integration by Trig Substitution

  • MathHawk
  • · Replies 6 ·
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6

Find a Subset that is not a Subspace

  • Saladsamurai
  • · Replies 12 ·
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12

Does P(A) U P(B) Subset of P(A U B)?

  • pinkyjoshi65
  • · Replies 6 ·
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6

Determine whether Subsets are Subspaces

  • Saladsamurai
  • · Replies 6 ·
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6

Word Problem Beginning Calculus

  • I'm
  • · Replies 3 ·
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3

Solving Simple Homework Problems: An Exercise in O(x^4) Analysis

  • TheLegace
  • · Replies 1 ·
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1

How to prove a recursive formula converges.

  • Polarbum
  • · Replies 11 ·
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11
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2

Proof: P is an Orthogonal Projection with P^2=P

  • evilpostingmong
  • · Replies 2 ·
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2