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

Is singular matrix is a subspace of vector space V?

  • Maxwhale
  • · Replies 13 ·
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13

Phasors and steady-state solutions

  • ABoul
  • · Replies 1 ·
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1

Comparing nk₁ + k₂ⁿ and nk₂ + k₁ⁿ when k₁ < k₂

  • Gear2d
  • · Replies 9 ·
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9

Constructing a Monotone Sequence in a Bounded Subset of Real Numbers

  • playa007
  • · Replies 4 ·
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4

Solving f(n) = 2f(n/2) + n - 1 by substitution

  • Ad2d
  • · Replies 3 ·
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3

Limit of ln(n)/ln(n+1) as n->+infinity, very confusing

  • fiziksfun
  • · Replies 4 ·
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4
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2

Proving limits of x^n by definition for n = 2, 3, 4

  • ILikePizza
  • · Replies 3 ·
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3
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1

Prove a continuous function from [0,1] to [0,1] has a fixed point

  • TaylorWatts
  • · Replies 1 ·
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1

Determining if sets are in the subspace

  • Renzokuken
  • · Replies 10 ·
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10

Prove that if aba−1=b² then a³ba−3=b⁸

  • SNOOTCHIEBOOCHEE
  • · Replies 1 ·
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1

Proving Nonempty Fibers of a Map Partition the Domain

  • SNOOTCHIEBOOCHEE
  • · Replies 4 ·
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4

Variance of position for a particle in a 1D box

  • youngoldman
  • · Replies 2 ·
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2

Absolute Minimum and Maximum Word Problem

  • Zerobu
  • · Replies 1 ·
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1

How to integrate cos√x using substitution and integration by parts

  • EV33
  • · Replies 6 ·
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6

Geometric Properties from Eigenvectors

  • Daniel323
  • · Replies 17 ·
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17

1D Heat Equation BC: Both ends insulated, IC: piecewise function

  • PAR
  • · Replies 5 ·
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5

Find unit vectors in specified directions

  • darthxepher
  • · Replies 3 ·
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3
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6

3.1 Algorithms (Discrete Mathematics)

  • modzz
  • · Replies 2 ·
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2

Find the limit of ln(n)/ln(n+1) as n--> infinity

  • fiziksfun
  • · Replies 2 ·
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2
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1

Proof of Limit by Definition for (sin^2(x))/(x^2) as x Approaches 0

  • icantadd
  • · Replies 7 ·
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7

Finding Tangent Line to a Curve at a Given Point

  • mbisCool
  • · Replies 2 ·
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2

Implicit Differentiation and coordinates

  • Kar91102
  • · Replies 3 ·
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3

Finding Multiple Solutions to a Derivative Equation

  • Deadleg
  • · Replies 2 ·
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2

Limit of cos x / (1 - sin x) as x approaches π/2 from the right

  • CougarXLS
  • · Replies 9 ·
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9

Range of "p" for Convergence of Series (-1^n)/(n^p)

  • ABoul
  • · Replies 5 ·
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5

Is my Integral set up correctly?

  • viciousp
  • · Replies 1 ·
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1

The limit of a power as it tends to infinity.

  • HTale
  • · Replies 1 ·
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1

An equation with permutations, x^2 = sigma.

  • Reid
  • · Replies 4 ·
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4

Linear First order ODE problem

  • Vuldoraq
  • · Replies 2 ·
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2

Unique function on union of chain in poset of function pairs

  • jacobrhcp
  • · Replies 2 ·
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2

What are the Partial Derivatives at the Origin (0,0)?

  • raphile
  • · Replies 1 ·
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1

Lim n[tex]\rightarrow[/tex][tex]\infty[/tex] (1+(x/n))[tex]^{n}[/tex]

  • torasstripes
  • · Replies 5 ·
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5

Analysis: Closed sets and extrema

  • iopmar06
  • · Replies 4 ·
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4

Finding lim(x→1) log_x(4)

  • strigner
  • · Replies 6 ·
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6

Partial derivative of V(t,x,y,z) with respect to t

  • muso07
  • · Replies 1 ·
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1

Differential of triangles and anlges

  • muso07
  • · Replies 3 ·
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3

Conclusion from the factorization theorem of functions.

  • estra
  • · Replies 4 ·
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4

Solving Direct Sum Problem: Pn=PE \oplus PO

  • ahamdiheme
  • · Replies 4 ·
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4

Row reduction of 3×3 system gives contradictory conditions for infinite solutions

  • rock.freak667
  • · Replies 4 ·
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4

Converting et*u1(t) to F(s) using Laplace Transform

  • 2RIP
  • · Replies 2 ·
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2

Solved: Calculate Force F to Lift 15kg Backpack 6.9m Apart

  • itryphysics
  • · Replies 1 ·
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1

What is the limit of 1/n^2 + 2/n^2 + + n-1/n^2 as n-> infinity

  • sara_87
  • · Replies 8 ·
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8

Should I use u-substitution or partial fractions for x/(x²+3)²?

  • darthxepher
  • · Replies 1 ·
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1

Integral of dx/(x^2-1)

  • darthxepher
  • · Replies 1 ·
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1

Free fall ball velocity question

  • msc8127
  • · Replies 2 ·
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2

Rectangle inscribed in generic ellipse

  • v0id19
  • · Replies 2 ·
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2

Prove that if C and D are closed sets, then C U D is a closed set.

  • opticaltempest
  • · Replies 8 ·
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8

How to find the limit of this product?

  • medinap
  • · Replies 4 ·
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4

Proving Symmetry of AAT: Is it Possible?

  • KillerZ
  • · Replies 3 ·
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3

Solve for A-1 in Matrix Equation w/A, I

  • rock.freak667
  • · Replies 2 ·
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2

Convergence of Slowly Growing Functions in Distribution Theory

  • tom_rylex
  • · Replies 1 ·
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1

Finding g(t) with Laplace Transform of G(S)

  • goodtime
  • · Replies 1 ·
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1

Prove that any Hermitian operator is linear

  • Pchemaaah
  • · Replies 14 ·
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14

How Can I Integrate a Ln Function Using Different Methods?

  • mjk1
  • · Replies 5 ·
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5

Integration by parts of 4th order DE

  • shuttleman11
  • · Replies 4 ·
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4
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1

Alternative method to the matrix problem?

  • rock.freak667
  • · Replies 8 ·
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8

What is the vector field expressed in spherical coordinates?

  • barnflakes
  • · Replies 4 ·
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4
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3

Surjective, injective and predicate

  • reven
  • · Replies 4 ·
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4

How can I find the centre of mass of a plate with constant density?

  • d_b
  • · Replies 2 ·
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2

Differentiation of natural logarithms

  • razored
  • · Replies 5 ·
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5

Consequences of Cauchy's Formula (differential formula)

  • StumpedPupil
  • · Replies 1 ·
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1

Rewritting sum as hyperbolic sine

  • jorgen
  • · Replies 1 ·
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1
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2

Help with limit problems

  • asdfsystema
  • · Replies 6 ·
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6

Testing convergence of sequence

  • jlu
  • · Replies 2 ·
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2

Minimum and maximum of an equation

  • Gear300
  • · Replies 2 ·
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2

Directional derivative without reparametrization

  • ZPlayer
  • · Replies 3 ·
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3

Proving Surjective Functions with Finite Y: No Axiom of Choice Required

  • jacobrhcp
  • · Replies 2 ·
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2

Solving the Pigeonhole Problem with f(x) for n Elements

  • endeavor
  • · Replies 1 ·
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1

Ideals with subsets and divides

  • phyguy321
  • · Replies 5 ·
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5

Inverse Laplace Transform for F(s): Is it Possible?

  • 2RIP
  • · Replies 4 ·
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4

Can You Prove These Equivalence Relations?

  • bishy
  • · Replies 1 ·
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1
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6

What are the differences between derived and closure points in sets?

  • Unassuming
  • · Replies 2 ·
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2

Proving Linear Dependence in a Set of Vectors

  • ahamdiheme
  • · Replies 4 ·
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4

How Small Should Delta Be for a Given Epsilon in Calculus?

  • musicfairy
  • · Replies 2 ·
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2

First calculus assignment, three questions from lecture materials

  • sulai3
  • · Replies 2 ·
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2

Computing 12^9 mod 71 using modular exponentiation

  • sara_87
  • · Replies 3 ·
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3

The proof of Time Scaling, Laplace transform

  • killahammad
  • · Replies 2 ·
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2

Solving a system of linear equations with complex coefficients

  • subopolois
  • · Replies 1 ·
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1

Finding the limit of the sum k³/n⁴ as n approaches infinity

  • steelphantom
  • · Replies 12 ·
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12

Fourier Transforms: Proving operational properties

  • Niles
  • · Replies 2 ·
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2

Real Analysis: Are lebesgue measures metrics?

  • binks01
  • · Replies 3 ·
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3

Period-doubling bifurcation in Fλ(x) = λ(x³ - x)

  • goosefrabbas
  • · Replies 1 ·
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1

Work done pulling a chain hanging from a spring 2 feet down

  • Sheneron
  • · Replies 7 ·
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7

Proving by induction that 2^x > (x+1)^2 for x > 5

  • Gear2d
  • · Replies 3 ·
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3

Continuity on Restrictions Implies Continuity Everywhere

  • e(ho0n3
  • · Replies 8 ·
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8

Can Injective Functions Imply Surjective Ones Without the Axiom of Choice?

  • jacobrhcp
  • · Replies 1 ·
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1

Proving Ring Homomorphism of \phi: Zp \rightarrow Zp

  • phyguy321
  • · Replies 3 ·
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3

Probability- Transformation of variable

  • jack1234
  • · Replies 1 ·
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1

First Order Differential (Just identify)

  • Vathral
  • · Replies 3 ·
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3

Proving 1/2^(k+1) + 1/2^(k+2) + ... + 1/2^(k+1) > 1/2

  • Unassuming
  • · Replies 1 ·
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1

Does the Sequence sqrt[n]{3^n + 5^n} Converge or Diverge?

  • grothem
  • · Replies 19 ·
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19

How does the partial derivative of a tensor component transform?

  • SunGod87
  • · Replies 10 ·
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10