Calculus and Beyond Homework Help Forum

Post thread
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.
Find rate at which the liquid level is rising in the problem
  • chwala
  • · Replies 24 ·
Replies
24
Taking the Limit of this fraction involving trig functions
  • Memo
  • · Replies 14 ·
Replies
14
Related rates: How fast is a runner going to 1st base, as seen from 2nd base?
  • karush
  • · Replies 6 ·
Replies
6
Direction in which directional derivative is zero
  • songoku
  • · Replies 6 ·
Replies
6
Vector field and differential form confusion
  • Lips
  • · Replies 2 ·
Replies
2
Branch points of a complex function
  • Hill
  • · Replies 3 ·
Replies
3
[Complex analysis] Contradiction in the definition of a branch
  • fatpotato
  • · Replies 8 ·
Replies
8
Prove that range ##T'## = ##(\text{null}\ T)^0##
  • zenterix
  • · Replies 1 ·
Replies
1
Power series product convergence
  • Hill
  • · Replies 2 ·
Replies
2
Proving the Infimum and Supremum: A Short Guide for Scientists
  • Lambda96
  • · Replies 3 ·
Replies
3
Show that acceleration varies as cube of the distance given
  • chwala
  • · Replies 1 ·
Replies
1
Proof of a vector identity in electromagnetism
  • Ishika_96_sparkles
  • · Replies 9 ·
Replies
9
Vector Subspaces: Determining U as a Subspace of M4x4 Matrices
  • mathiebug7
  • · Replies 8 ·
Replies
8
[Sturm-Liouville eigenvalues and eigenfunctions problem]
  • GGGGc
  • · Replies 5 ·
Replies
5
Quadratic Residue and Quadratic Reciprocity Law QRL
  • Lexaila
  • · Replies 10 ·
Replies
10
Inflection Point Calculation: Reduction of Cubic with Second Derivative Method
  • Hill
  • · Replies 1 ·
Replies
1
To find work done by a variable force
  • Rhdjfgjgj
  • · Replies 21 ·
Replies
21
Apostol Problem on ODE applied to Population Growth
  • zenterix
  • · Replies 1 ·
Replies
1
Existence of directional derivative
  • songoku
  • · Replies 4 ·
Replies
4
Find f(x,y) given partial derivative and initial condition
  • songoku
  • · Replies 6 ·
Replies
6
Divergence of ##\vec{x}/\vert\vec{x}\vert^3##
  • PhysicsRock
  • · Replies 4 ·
Replies
4
Proof that velocity of image by a plane mirror is negative of object
  • Rhdjfgjgj
  • · Replies 5 ·
Replies
5
Apostol question about the differential equations of a falling object
  • zenterix
  • · Replies 2 ·
Replies
2
Should the Units of a Constant Match the Integral Boundary Conditions?
  • Another
  • · Replies 5 ·
Replies
5
Determine whether ## S[y] ## has a maximum or a minimum
  • Math100
  • · Replies 18 ·
Replies
18
Doubt about the derivative of a Taylor series
  • Hak
  • · Replies 42 ·
2
Replies
42
Help with a simple group theory question please
  • Ineedhelpimbadatphys
  • · Replies 1 ·
Replies
1
Model CO2 diffusing across the wall of a cylindrical alveolar blood vessel
  • user123abc
  • · Replies 0 ·
Replies
0
Show Picard iteration diverges
  • psie
  • · Replies 2 ·
Replies
2
Dx/x of quotient by def of derivative
  • karush
  • · Replies 7 ·
Replies
7
How to derive the associated Euler-Lagrange equation?
  • Math100
  • · Replies 6 ·
Replies
6
How to get general solution via Green's function?
  • psie
  • · Replies 1 ·
Replies
1
What is meant by compex dimension? (Abstract algebra)
  • Ineedhelpimbadatphys
  • · Replies 5 ·
Replies
5
Multivariable calculus problem involving partial derivatives along a surface
  • sss1
  • · Replies 9 ·
Replies
9
Calculus ## G(y, z)=z\frac{\partial}{\partial z}F(y, z)-F(y, z) ##?
  • Math100
  • · Replies 6 ·
Replies
6
Unit tangent vector and curvature with arc length parameterization
  • songoku
  • · Replies 1 ·
Replies
1
Find domain where function is Lipschitz
  • psie
  • · Replies 2 ·
Replies
2
To prove the "##m^{\text{th}}## Powers Theorem"
  • brotherbobby
  • · Replies 3 ·
Replies
3
Translation and rotation of quadric surface
  • songoku
  • · Replies 4 ·
Replies
4
Differential equation problem: y" + y' - 2y = x^2
  • member 731016
  • · Replies 21 ·
Replies
21
Solve the given differential equation
  • chwala
  • · Replies 10 ·
Replies
10
Prove ##(a+b) + c = a + (b+c)## using Peano postulates
  • issacnewton
  • · Replies 9 ·
Replies
9
Finding limit of the Fibonacci sequence
  • member 731016
  • · Replies 8 ·
Replies
8
Multivariable calculus proof involving the partial derivatives of an expression
  • KungPeng Zhou
  • · Replies 4 ·
Replies
4
How do you prove that ln(a^x) = xln(a) and a^x = e^xln(a) without using exponent rules?
  • logicgate
  • · Replies 6 ·
Replies
6
Correlation coefficient: show 1-r^2 is the ratio of 0th and 1st order models
  • applestrudle
  • · Replies 3 ·
Replies
3
Proofs about the second-order linear differential equation?
  • Math100
  • · Replies 21 ·
Replies
21
Calculate the Demand for ground support services for an airline
  • Shan9
  • · Replies 3 ·
Replies
3
Taylor Expansion for very small and very big arguments
  • deuteron
  • · Replies 1 ·
Replies
1
Separable first order ODE involving tangent
  • psie
  • · Replies 2 ·
Replies
2
Find the limit of the sequence
  • KungPeng Zhou
  • · Replies 7 ·
Replies
7
What is the derivative of ln(x)^e ?
  • lIllIlIIIl
  • · Replies 7 ·
Replies
7
A question about definite integrals and series limits
  • KungPeng Zhou
  • · Replies 12 ·
Replies
12
How to prove a mathematical logical problem with predicates?
  • Xamaa
  • · Replies 6 ·
Replies
6
Can't Find a Correct Method to Integrate \int (t - 2)^2\sqrt{t}\,dt?
  • KungPeng Zhou
  • · Replies 9 ·
Replies
9
How Does Substitution Affect Double Integration and Differentiation?
  • KungPeng Zhou
  • · Replies 3 ·
Replies
3
A question about the derivation of upper bound integrals
  • KungPeng Zhou
  • · Replies 23 ·
Replies
23
How Do You Solve Calculus Homework Problem Six Using LaTeX?
  • KungPeng Zhou
  • · Replies 2 ·
Replies
2
Hey guys here is a problem about gravity...
  • shaunthesheep
  • · Replies 6 ·
Replies
6
Deriving Maxwell's equations from the Lagrangian
  • offscene
  • · Replies 3 ·
Replies
3
Symmetry of an Integral of a Dot product
  • Skaiserollz89
  • · Replies 9 ·
Replies
9
Question re: Limits of Integration in Cylindrical Shell Equation
  • HermGnos
  • · Replies 24 ·
Replies
24
Two ways of integration giving different results
  • Valour549
  • · Replies 9 ·
Replies
9
I cannot make the Gram-Schmidt procedure work
  • George Keeling
  • · Replies 16 ·
Replies
16
Find the derivative of the given function
  • chwala
  • · Replies 4 ·
Replies
4
On the ratio test for power series
  • schniefen
  • · Replies 2 ·
Replies
2
On the definition of radius of convergence; a small supremum technicality
  • schniefen
  • · Replies 7 ·
Replies
7
Prove ##a + b = b + a## using Peano postulates
  • issacnewton
  • · Replies 3 ·
Replies
3
Show function series involving arctan is not differentiable at x=0
  • schniefen
  • · Replies 26 ·
Replies
26
Let k∈N, Show that there is i∈N s.t (1−(1/k))^i − (1−(2/k))^i ≥ 1/4
  • idobido
  • · Replies 12 ·
Replies
12
Show that the given function is decreasing
  • idobido
  • · Replies 9 ·
Replies
9
Can anyone please verify/confirm these derivatives?
  • Math100
  • · Replies 5 ·
Replies
5
Solve the given differential equation
  • chwala
  • · Replies 4 ·
Replies
4
Show that the Taylor series for this Lagrangian is the following...
  • gionole
  • · Replies 4 ·
Replies
4
Calculate the correlation coefficient in the given problem
  • chwala
  • · Replies 7 ·
Replies
7
Understanding the given proof of integers - Ring theory
  • chwala
  • · Replies 6 ·
Replies
6
Problem involving irreducible element -Ring theory
  • chwala
  • · Replies 7 ·
Replies
7
Are these the correct expressions for ## dF/dy' ##?
  • Math100
  • · Replies 4 ·
Replies
4
Using Conjunctive Normal form to find when wff is true
  • member 731016
  • · Replies 1 ·
Replies
1
Use of i and j in complex numbers
  • chwala
  • · Replies 5 ·
Replies
5
Finding the projection of a Vector
  • chwala
  • · Replies 4 ·
Replies
4
Describe the set of points that satisfy ##(x-4)(z-2)=0##
  • chwala
  • · Replies 11 ·
Replies
11
Steady state heat equation in a rectangle with a punkt heat source
  • fluidistic
  • · Replies 1 ·
Replies
1
Understanding the heat equation solution derived in this article
  • Makadamij
  • · Replies 7 ·
Replies
7
Derivation or proof of derivative sin (x)
  • Mr X
  • · Replies 25 ·
Replies
25
Using Euler's formula to prove trig identities using "sum to product" technique
  • MiddleEast
  • · Replies 4 ·
Replies
4
Linear first-order differential equation with an initial condition
  • Lambda96
  • · Replies 5 ·
Replies
5
Is the method used to evaluate the given integral correct?
  • chwala
  • · Replies 7 ·
Replies
7
Differentiate the given integral
  • chwala
  • · Replies 15 ·
Replies
15
Regarding commutative Lie groups and irreducible rep
  • aalma
  • · Replies 7 ·
Replies
7
Volume Integral of xy over Triangle Area
  • physicss
  • · Replies 19 ·
Replies
19
About representations of Lie groups
  • aalma
  • · Replies 8 ·
Replies
8
Finding domain for when composite function is continuous
  • member 731016
  • · Replies 3 ·
Replies
3
Solve the given problem that involves integration
  • chwala
  • · Replies 4 ·
Replies
4
Rate of Change: Bees in Wildflower Meadow (a-c)
  • chwala
  • · Replies 3 ·
Replies
3
Show that the graph is convex for all values of ##x##
  • chwala
  • · Replies 5 ·
Replies
5
Is this the correct way to find the Euler equation (strong form)?
  • Math100
  • · Replies 17 ·
Replies
17
Question about arc length and the condition dx/dt > 0
  • songoku
  • · Replies 5 ·
Replies
5
Notation for changing rows in a matrix
  • member 731016
  • · Replies 8 ·
Replies
8
Find Eigenvalues & Eigenvectors for Exercise 3 (2), Explained!
  • member 731016
  • · Replies 8 ·
Replies
8