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

Total Battery Mass for Equal Efficiency

  • PlatoDescartes
  • · Replies 6 ·
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6

How Do Matrix ODEs Relate to Determinants and Traces?

  • MxwllsPersuasns
  • · Replies 3 ·
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3

How to calculate for Probability -- Summarized

  • yeyintkoko
  • · Replies 11 ·
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11

How to find absolute min/max of f(x)=x^3+3x^2-24x+1 on[-1,4]

  • brandon cheatham
  • · Replies 2 ·
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2

Simple İntegral question Check

  • Arman777
  • · Replies 4 ·
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4

Proof by induction, ##(n)^{2} \le (2n)##.

  • mikeyBoy83
  • · Replies 7 ·
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7

Complex periodic functions in a vector space

  • jendrix
  • · Replies 28 ·
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28

Contour integration with a branch cut

  • mercenarycor
  • · Replies 3 ·
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3

Finding discontinuities in functions

  • Schaus
  • · Replies 10 ·
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10

Putnam problem on matrices + invertibility

  • Mr Davis 97
  • · Replies 12 ·
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12

Prove there are infinitely many primes using Mersenne Primes

  • Kitty Kat
  • · Replies 1 ·
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1

Transforming to a Rotating Reference Frame

  • bananabandana
  • · Replies 1 ·
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1

Is this analytically solvable?

  • Poirot
  • · Replies 2 ·
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2

Help with found Fourier complex series of e^t

  • needved
  • · Replies 1 ·
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1

How Does Damping Affect the Dynamics of a Spring System?

  • Drakkith
  • · Replies 1 ·
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1

Finding the distance(shortest) from a point to a plane

  • Arnoldjavs3
  • · Replies 4 ·
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4

How to disprove (m^2)+m+1=(n^2)?

  • Eclair_de_XII
  • · Replies 4 ·
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4

Basis for the space of solutions (ODE)

  • Poetria
  • · Replies 5 ·
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5

Integration by substitution question

  • doktorwho
  • · Replies 8 ·
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8

Topology by Simmons Problem 1.3.3

  • Figaro
  • · Replies 3 ·
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3

Recast a given vector field F in cylindrical coordinates

  • Bestphysics112
  • · Replies 4 ·
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4

Find the area enclosed by the parametric equation

  • screechy
  • · Replies 4 ·
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4

Unbounded Feasible Region for Lagrange with Two Constraints

  • Kaura
  • · Replies 5 ·
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5
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15

Finding the orders of 1, 2, .... , 16 (mod 17)

  • Kitty Kat
  • · Replies 1 ·
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1

Expressing difference product using Vandermonde determinant.

  • Adgorn
  • · Replies 2 ·
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2

Differential calculus ,Successive differentiation

  • dimension00
  • · Replies 1 ·
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1

Show that the symmetric group S_n has elements of all order

  • Mr Davis 97
  • · Replies 3 ·
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3

How Do You Simplify the Integral of a Rational Function?

  • Arman777
  • · Replies 17 ·
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17
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12

Newton interpolary difference formula

  • fonseh
  • · Replies 2 ·
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2

Topology by Simmons Problem 1.2.1

  • Figaro
  • · Replies 5 ·
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5

Using variation of parameters to derive a general solution?

  • Eclair_de_XII
  • · Replies 2 ·
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2

Statistics probability questions

  • Rifscape
  • · Replies 30 ·
2
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30

Choose h and k so that the matrix has a unique solution

  • Arnoldjavs3
  • · Replies 21 ·
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21

Is the Matrix Symmetric Positive Definite for Cholesky Decomposition?

  • fonseh
  • · Replies 2 ·
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2

Partial derivative stationary point

  • Taylor_1989
  • · Replies 3 ·
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3

Conditions on f such that the anti-derivative F is periodic?

  • MxwllsPersuasns
  • · Replies 19 ·
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19

Show there exists a smooth (bump) function....

  • MxwllsPersuasns
  • · Replies 11 ·
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11

Particle moves according to the following equation

  • alex91alex91alex
  • · Replies 5 ·
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5

Show Regular Homotopy thru curve and its arclength parameters

  • MxwllsPersuasns
  • · Replies 1 ·
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1

Calculate coefficients of expansion for vector y

  • nacreous
  • · Replies 5 ·
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5

Pivoting (Gaussian elimination)

  • fonseh
  • · Replies 4 ·
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4

Derivative in the complex plane

  • cragar
  • · Replies 2 ·
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2

Possible branch cuts for arcsin derivative

  • ZuperPosition
  • · Replies 6 ·
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6

Showing that dihedral 4 is isomorphic to subgroup of permutations

  • Mr Davis 97
  • · Replies 3 ·
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3

Elliptic functions proof -- convergence series on lattice

  • binbagsss
  • · Replies 1 ·
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1

How Do You Calculate the Volume of a Parabolic Roadbed?

  • tatertoph
  • · Replies 12 ·
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12

Shell Method: Find Vol. of Solid Rotated Around x-Axis

  • Jovy
  • · Replies 3 ·
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3

Find limit for rational function

  • late347
  • · Replies 14 ·
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14

Finding Second and Third Derivative from Graph

  • a1234
  • · Replies 3 ·
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3

Show Regular Homotopy is an Equivalence Relation

  • MxwllsPersuasns
  • · Replies 1 ·
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1

Integration by Parts Twice: How to Solve Tricky Integrals

  • EthanVandals
  • · Replies 1 ·
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1
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3

Introduction to Analysis by Bilodeau. Problem 1.3.3

  • Phylosopher
  • · Replies 18 ·
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18

F(x) = x^4 sin(1/x) has derivatives change sign indefinitely

  • issacnewton
  • · Replies 12 ·
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12

Show that a group with no proper nontrivial subgroups is cyc

  • Mr Davis 97
  • · Replies 1 ·
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1

Runge Kutta to solve higher order ODE

  • MechEngrStdnt
  • · Replies 3 ·
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3

If G is cyclic, and G is isomorphic to G', then G' is cycli

  • Mr Davis 97
  • · Replies 1 ·
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1

Show that a group has exactly one idempotent element

  • Mr Davis 97
  • · Replies 4 ·
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4

Showing that two groups are not isomorphic

  • Mr Davis 97
  • · Replies 8 ·
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8

Where is f(z) = e-xe-iy differentiable and holomorphic?

  • fishturtle1
  • · Replies 6 ·
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6

Finding Volume of Rotated Region Bounded by Equations

  • Jovy
  • · Replies 8 ·
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8

Prove the product of two Hausdorff spaces is Hausdorff

  • sa1988
  • · Replies 3 ·
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3

Linear Algebra - Finding coordinates of a set

  • cscott0001
  • · Replies 2 ·
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2

Implicit Differentiation: How Do I Solve \dfrac{x^2}{x+y}=y^2+8?

  • FritoTaco
  • · Replies 22 ·
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22

Unit vector perpendicular to the level curve at point

  • Bestphysics112
  • · Replies 4 ·
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4

Coarsest Topology With Respect to which Functions are Continuous

  • Bashyboy
  • · Replies 2 ·
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2
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5

Solve Gaussian Elimination w/Pivoting: Problem Explained

  • fonseh
  • · Replies 13 ·
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13

Show that the identity maps to the identity

  • Mr Davis 97
  • · Replies 1 ·
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1

Showing that a subset is closed under a binary operation

  • Mr Davis 97
  • · Replies 1 ·
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1

Eigenvectors and orthogonal basis

  • 0kelvin
  • · Replies 2 ·
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2

"Show B is closed if and only if...." (More Topology....)

  • sa1988
  • · Replies 4 ·
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4

Prove Set U is Open | Product Topology on R^2

  • sa1988
  • · Replies 17 ·
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17

Newton's Law of Cooling When the Temperature of the Air Isn't Given

  • Drakkith
  • · Replies 14 ·
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14

Determine all of the open sets in given product topology

  • sa1988
  • · Replies 3 ·
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3

How to find the quickest path?

  • En Joy
  • · Replies 14 ·
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14

Equation for finding the gradient in spherical coordinates

  • KUphysstudent
  • · Replies 1 ·
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1

Derivative of Inverse Function

  • James Brady
  • · Replies 14 ·
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14

Limit of x(e^(1/x)-1) as x approaches infinity: Solving with L'Hopital's Rule

  • James Brady
  • · Replies 4 ·
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4

Prove the shortest distance between two points is a line

  • MxwllsPersuasns
  • · Replies 2 ·
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2

Proving Limit as x Approaches 0 for f(x)/x is 1?

  • chem_vo
  • · Replies 7 ·
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7

Why lim x->0 e^-x - 1 / x = -1

  • Stoney Pete
  • · Replies 7 ·
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7

Value of cos(x) where x is multiple of a matrix

  • Vishakha
  • · Replies 7 ·
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7

Show plane curve can be described with graph @ tangent point

  • MxwllsPersuasns
  • · Replies 6 ·
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6

Solution to complex valued ODE

  • MxwllsPersuasns
  • · Replies 11 ·
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11

Solving Diff. Eq. to Find Solutions (1, 0)

  • johann1301h
  • · Replies 3 ·
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3

Prove all Elements of O(2,R) have form of Rotation Matrix

  • MxwllsPersuasns
  • · Replies 3 ·
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3

(Ordinary) Differential Equation Trouble

  • Euler2718
  • · Replies 5 ·
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5

Cyclic group has 3 subgroups, what is the order of G

  • Mr Davis 97
  • · Replies 5 ·
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5

Partial derivative second order

  • Taylor_1989
  • · Replies 3 ·
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3

Finding the derivative of a function with a radical

  • waffletree
  • · Replies 7 ·
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7

Solving a Homogeneous System of Equations

  • Bashyboy
  • · Replies 4 ·
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4

Work problem -- lifting water out of tanks

  • iPhotonHQ
  • · Replies 2 ·
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2

Eigenvalues and Eigenfunctions in Solving 2D Wave Equation in a Circle

  • member 428835
  • · Replies 13 ·
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13

If A^2 = 0, then A is not an invertible matrix

  • Mr Davis 97
  • · Replies 4 ·
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4

Finding the Derivative of y=6/(1+e^-x) at (0,3)

  • FritoTaco
  • · Replies 3 ·
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3

Basic finance Present Value and Anuity

  • tomas_tuchel
  • · Replies 5 ·
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5

Is the group of positive rational numbers under * cyclic?

  • Mr Davis 97
  • · Replies 3 ·
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3