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

Estimating error in the series sum of sin²n/n³

  • JRangel42
  • · Replies 5 ·
Replies
5

Inner products in R²

  • corey2014
  • · Replies 1 ·
Replies
1

Spanning sets and polynomials.

  • -Dragoon-
  • · Replies 1 ·
Replies
1

What are the derivative rules needed for these functions?

  • Joyci116
  • · Replies 3 ·
Replies
3

How to Use Chain Rule to Find Second Derivative of Multivariable Functions?

  • TranscendArcu
  • · Replies 3 ·
Replies
3

Mass and center of mass of a cardioid with density ρ = r

  • Locoism
  • · Replies 4 ·
Replies
4

Critical points of 4 variables?

  • AndreTheGiant
  • · Replies 2 ·
Replies
2

How do eigenvalues and eigenvectors relate to matrices?

  • S_Flaherty
  • · Replies 4 ·
Replies
4

How to Approach Differentiating f(x) = (x^2 - x)sin(x)?

  • Joyci116
  • · Replies 4 ·
Replies
4

What direction of r vector would decrease the potential energy most rapidly?

  • Minihoudini
  • · Replies 1 ·
Replies
1

Integration in Polar - polar coordinate

  • DrunkApple
  • · Replies 8 ·
Replies
8

Converg. Seq. of Functions, Derivatives Bounded, Limit not Differentiable

  • michaelxavier
  • · Replies 1 ·
Replies
1

Finding the Length of a Helix Using U-Substitution

  • BraedenP
  • · Replies 3 ·
Replies
3

Double integral from y to 1 and 0 to 1

  • Locoism
  • · Replies 8 ·
Replies
8

Accumulation point of rational numbers in (0,1)

  • PirateFan308
  • · Replies 5 ·
Replies
5

Showing an iterated integral is equal to an integral

  • Ultramilk
  • · Replies 2 ·
Replies
2

Proving Characteristics of Projections

  • TranscendArcu
  • · Replies 7 ·
Replies
7

Sum of Geometric Series: Ʃ(3→∞) 3(.4)^(n+2)

  • Rapier
  • · Replies 2 ·
Replies
2

Average value of a function over involving triple integral

  • TranscendArcu
  • · Replies 1 ·
Replies
1

Evaluating a limit using L'Hopital

  • moxy
  • · Replies 4 ·
Replies
4

Surface Integral between planes

  • hooshies
  • · Replies 1 ·
Replies
1

Isomorphism from group to a product group

  • EV33
  • · Replies 1 ·
Replies
1

1st and 2nd derivative tests for finding local extrema

  • bloodredorioo
  • · Replies 1 ·
Replies
1
Replies
12

Jordan Forms and Eigenproblems

  • shaon0
  • · Replies 5 ·
Replies
5

Are x, y, and z elements of the normed linear space ℓ∞(ℝ)?

  • bugatti79
  • · Replies 32 ·
2
Replies
32

Prove the set of all automorphisms of a group is a group.

  • ArcanaNoir
  • · Replies 8 ·
Replies
8

Testing convergence of complex power series on the boundary circle

  • two lock
  • · Replies 7 ·
Replies
7

If x=x^-1 for all x in G, then it's the same in H, for isomorphisms.

  • ArcanaNoir
  • · Replies 8 ·
Replies
8

Minimize x+2y where xy=200

  • Nitrate
  • · Replies 3 ·
Replies
3

Finding Max/Min Values on Functions of 2 Variables

  • TranscendArcu
  • · Replies 12 ·
Replies
12

If AB=I, then A is invertible. False

  • Dustinsfl
  • · Replies 3 ·
Replies
3

Finding B^4 from its characteristic polynomial without the matrix

  • shaon0
  • · Replies 4 ·
Replies
4

Finding Max/Min Values on Parametric Functions

  • TranscendArcu
  • · Replies 3 ·
Replies
3

Finding Max/Min Values on Functions of 3 Variables, Bounded by Ellipsoids

  • TranscendArcu
  • · Replies 2 ·
Replies
2

Does bounded derivative always imply uniform continuity?

  • lonewolf5999
  • · Replies 3 ·
Replies
3

Finding dimension and basis for M+N and M∩N in ℝ₂[t]

  • gotmejerry
  • · Replies 4 ·
Replies
4

Derivation for formula of area of a cone

  • irodus
  • · Replies 11 ·
Replies
11

Showing discontinuity at infinitely many points

  • delta_epsilon
  • · Replies 4 ·
Replies
4

Is it okay to treat dy/dx as a fraction when solving for derivatives?

  • Nano-Passion
  • · Replies 3 ·
Replies
3

Jordan Forms Problem: Finding Det(A) and Eigenvalues

  • shaon0
  • · Replies 6 ·
Replies
6

Evaluate infinite sum using Parseval's theorem (Fourier series)

  • thaer_dude
  • · Replies 2 ·
Replies
2

Continuous Injective Function on Compact Set of C

  • Poopsilon
  • · Replies 2 ·
Replies
2

How Do Functions Converge in L^t Spaces on Finite Measure Domains?

  • blinktx411
  • · Replies 3 ·
Replies
3

\lim_{n \to \infty} \sqrt(n+1)/n

  • Damidami
  • · Replies 6 ·
Replies
6

How does e^(2iz) = -1 lead to 2iz = πi + 2kπi?

  • nickolas2730
  • · Replies 7 ·
Replies
7

Maximum principle - don't understand why RHS is negative.

  • Silversonic
  • · Replies 1 ·
Replies
1

Proof nowhere-dense of a closure's complement

  • thekirk
  • · Replies 2 ·
Replies
2

Optimal two-segment path with varying speeds of 12 ft/s and 4 ft/s

  • labyrinthus
  • · Replies 1 ·
Replies
1

Proving Characteristics of Partial Derivatives

  • TranscendArcu
  • · Replies 1 ·
Replies
1

Automorphisms are isomorphisms

  • Dustinsfl
  • · Replies 3 ·
Replies
3

Intro to Proofs: Greatest Common Divisors

  • rdr3
  • · Replies 2 ·
Replies
2

Compute the limit (with variable in exponent)

  • PirateFan308
  • · Replies 4 ·
Replies
4

Calculating the Central Density Function for a Continuous Random Variable

  • MaxManus
  • · Replies 4 ·
Replies
4

Taylor series expansion for f(x) = x*e^(-x^2) about x = -1

  • hefnrh
  • · Replies 2 ·
Replies
2

Basis for the orthogonal complement.

  • -Dragoon-
  • · Replies 11 ·
Replies
11

Calculating Mass and Center of Mass

  • TranscendArcu
  • · Replies 8 ·
Replies
8

What Are the Non-Cyclic Groups of Order 49?

  • ArcanaNoir
  • · Replies 5 ·
Replies
5

Find point d on the line l closest to point c

  • pb23me
  • · Replies 14 ·
Replies
14

Why does the contour integral equal zero if there's no singularity inside?

  • Applejacks
  • · Replies 15 ·
Replies
15

Taylor series expansion of x*e^(-x^2) about x = -1

  • hefnrh
  • · Replies 1 ·
Replies
1

Solving the integral of (x³−1)/(4x³+x)

  • depecheSoul
  • · Replies 3 ·
Replies
3

Volume Between A Circular Paraboloid and a Plane

  • TranscendArcu
  • · Replies 1 ·
Replies
1

Is Every Path Connected and Open Set in the Complex Plane Simply Connected?

  • Applejacks
  • · Replies 6 ·
Replies
6

Initial value problem of ord diff eq

  • Grothard
  • · Replies 2 ·
Replies
2

Definite integral using Riemann sums?

  • SMA_01
  • · Replies 1 ·
Replies
1

Finding the maximum value given an interval

  • PandaherO
  • · Replies 5 ·
Replies
5

Solving dy/dx=y+cos(x)y^2010 Using Var. of Parameters/Constant Method

  • dooogle
  • · Replies 5 ·
Replies
5

Rearranging to eliminate the R variable in volume equation

  • FiveAlive
  • · Replies 7 ·
Replies
7

How can I integrate dx/dt = u(x) in my differential equations class?

  • steveangel
  • · Replies 8 ·
Replies
8

Find the derivative and the domain of the derivative (trig funtions)

  • Absolutism
  • · Replies 7 ·
Replies
7

Gcd(m, n)=1 implies Zmn isomph to Zm x Zn

  • ArcanaNoir
  • · Replies 9 ·
Replies
9

Difference between log and Log, arg and Arg in complex analysis

  • nickolas2730
  • · Replies 4 ·
Replies
4
Replies
3

Show that this is a homomorphism

  • ArcanaNoir
  • · Replies 6 ·
Replies
6

Calculate the following limits Part 1

  • bugatti79
  • · Replies 11 ·
Replies
11

Difference between Jordan normal form and diagonalising

  • Ted123
  • · Replies 1 ·
Replies
1

Linear Algebra - showing sets are linearly independent/dependent

  • mizzou23
  • · Replies 1 ·
Replies
1

Show that the vector value function is on the surface of a sphere

  • tsamocki
  • · Replies 4 ·
Replies
4

Partial fractions integral of 2x²/((x+1)(x²+1)) from 0 to 1

  • realism877
  • · Replies 4 ·
Replies
4

Probability that three dial spins sum to n

  • lizarton
  • · Replies 2 ·
Replies
2

Inverse composite proof (wording of the proof)

  • psycho2499
  • · Replies 5 ·
Replies
5

Did I do this (complex) integration correctly?

  • moxy
  • · Replies 9 ·
Replies
9

Is G a Connected Group? Proving Connectivity in a Matrix Set

  • Spriteling
  • · Replies 4 ·
Replies
4

Proving Zx + Zy = 0 using Chain Rule

  • TranscendArcu
  • · Replies 2 ·
Replies
2

How Do You Differentiate Complex Functions Like y=sin(lnx) and Others?

  • stonecoldgen
  • · Replies 3 ·
Replies
3

Ladder sliding down wall at 4 ft/sec related rates problem

  • bl4ke360
  • · Replies 3 ·
Replies
3

How to determine maximum and minimum for Lagrange Multiplier?

  • DrunkApple
  • · Replies 11 ·
Replies
11

Rate related problem with irregular cone and and time delay

  • FiveAlive
  • · Replies 2 ·
Replies
2

Furnishing a contradiction in my proof involving Lagrange's Theorem

  • jdinatale
  • · Replies 1 ·
Replies
1
Replies
1
Replies
1

Solve 3rd order ode using variation of parameters

  • abstracted6
  • · Replies 2 ·
Replies
2

Line integrals and vector fields.

  • spyroarcher
  • · Replies 1 ·
Replies
1

Graphing in spherical coordinates

  • XcKyle93
  • · Replies 1 ·
Replies
1
Replies
1

Sum of a finite exponential series

  • ElfenKiller
  • · Replies 8 ·
Replies
8

Chain rule for partial derivatives

  • U.Renko
  • · Replies 2 ·
Replies
2

Integrating by Parts: Solving ∫r^3/(4+r^2)^(1/2) dr

  • AnnieF
  • · Replies 3 ·
Replies
3

Solving dx/dt = 2000 - 500x/100 by separation of variables

  • schapman22
  • · Replies 10 ·
Replies
10