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.
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2 questions on continuity/continuous extensions
- akoska
- · Replies 4 ·
Finding a Basis for 3x3 Symmetric Matrices
- robierob12
- · Replies 13 ·
Integral test, basic comparsion test, limit comparsion test
- kingwinner
- · Replies 11 ·
Difference between kernel f and isotrope vectors
- kthouz
- · Replies 1 ·
Need help with these 3 integrals problems
- reverie414
- · Replies 3 ·
Rewriting a Riemann Sum Statement: Identify the Function
- cybercrypt13
- · Replies 1 ·
What makes classifying PDEs so challenging and rewarding?
- pivoxa15
- · Replies 3 ·
Approximating Area Under Linear Transformations
- NutriGrainKiller
- · Replies 11 ·
Functions of several cariables - minimum cost
- glitchy
- · Replies 1 ·
Using convolution for Laplace transform
- sensitive
- · Replies 8 ·
Correct Method for Finding Area Between 2 Curves Using Integration
- masterflex
- · Replies 2 ·
Does an Improper Orthogonal Matrix Always Have a Determinant of -1?
- Mindscrape
- · Replies 8 ·
Proof again: Show that a mod m = b mod m if a = b (mod m)
- VinnyCee
- · Replies 7 ·
More Proofs: Prove that if n is an odd positive int., then n^2 = 1(mod 8)
- VinnyCee
- · Replies 6 ·
Please check this differentiation result
- cabellos
- · Replies 2 ·
Proving the Uniqueness of a System of Equations
- VietDao29
- · Replies 3 ·
Prove or Disprove: if a | bc, then a|b or a|c
- VinnyCee
- · Replies 13 ·
Taylor Series for exp(x^3) around x = 2
- teleport
- · Replies 20 ·
Geodesic & Asymptotic Curves: Proving Segment of Straight Line
- Dragonfall
- · Replies 3 ·
Continuity of Integral with Fixed Variables in Lebesgue Integration
- Mystic998
- · Replies 1 ·
How Do You Find a Power Series Representation for f(x) = x / (4+x)?
- kskiraly
- · Replies 7 ·
L'Hopital's Rule for Solving Limits
- moloko
- · Replies 4 ·
Need help understanding this equality
- mkkrnfoo85
- · Replies 3 ·
Non-Uniqueness of Solution to ODE with y(0)=0
- Logik
- · Replies 2 ·
How do I solve (z-a)^3 = 8 when z1*z2*z3 = -9?
- transgalactic
- · Replies 7 ·
Separation of Variables / Boundary Conditions
- raintrek
- · Replies 5 ·
Simple integral - but a question of methodology
- ianb
- · Replies 9 ·
How Do Standard Deviations Affect Tolerance in Normal Distributions?
- brad sue
- · Replies 3 ·
Can you give a more specific question?
- kskiraly
- · Replies 1 ·
Lower case delta or just a regular d?
- beezey
- · Replies 5 ·
How to Solve a Second Order Differential Equation with a Trigonometric Function?
- peacex
- · Replies 8 ·
Guided proof to the isomorphism theorems.
- *melinda*
- · Replies 1 ·
Symmetric/Antisymmetric Relations, Set Theory Problem
- alec_tronn
- · Replies 6 ·
Uniform Convergence: Showing Continuous & Uniformly Continuous
- mattmns
- · Replies 4 ·
Really hard infinite series test
- Doom of Doom
- · Replies 11 ·
How can I solve a problem involving dynamic systems in physics?
- adysa
- · Replies 2 ·
Diff equation by diagonalization
- EvLer
- · Replies 6 ·
Determining the Radius of Convergence for a Series with Limited Limit Points
- Benny
- · Replies 4 ·
What is the Linear Approximation Range for Sin(f) Within 10% Error?
- Giuseppe
- · Replies 1 ·
Solving infinity limit, something weird.
- wk1989
- · Replies 22 ·
Can Power Series Solve the Differential Equation xy' - 3y = k?
- siddharth
- · Replies 5 ·
A sinusoid integrated from -infinity to infinity
- pennyantics
- · Replies 4 ·
Group Theory + Fermat's Little Number Theorem
- mufusisrad
- · Replies 4 ·
Discovering the Function f(x)=x+1/x | Expert Help & Thanks in Advance!
- sophiaqiu
- · Replies 4 ·
Maximum and minimum value question
- afcwestwarrior
- · Replies 6 ·
Sinx vs. Cosx: What Are the Key Differences?
- Ry122
- · Replies 4 ·
What Went Wrong with My Integration by Parts?
- paperclip
- · Replies 6 ·
Statistics Help Requested (Discrete Distributions)
- nichojo
- · Replies 1 ·
Explaining the Finger Multiplication Table in Base n
- mariouma
- · Replies 1 ·
Need Help with Integration for Astronomy Class?
- b_o3
- · Replies 2 ·
Solving Equation 5n*[(2i)^(n-1)]=11520: Find n=? (Answer: n=9)
- transgalactic
- · Replies 4 ·
Calculating the Distance of a Plane from a Radar Station Using Related Rates
- Weave
- · Replies 5 ·
Factorising Polynomials in Z[x]
- pivoxa15
- · Replies 9 ·
Is Z[sqrt2] defined as {a+b(sqrt2)|a,b in Z}?
- pivoxa15
- · Replies 4 ·
Eigenvalues/eigenvectors and linear transformation
- quasar_4
- · Replies 2 ·
For what values of x does this series converge
- Gauss177
- · Replies 2 ·
Find Equal Area Between y=x^2 and y=9
- mikesown
- · Replies 5 ·
L^p Norm of a Function on $\mathbb{T}$
- Dragonfall
- · Replies 1 ·
How Many Laborers Should You Hire to Move Excess Topsoil from Your Farm?
- ploppers
- · Replies 3 ·
What is the difference between these two problems?
- oahsen
- · Replies 12 ·
Valid Method for Proving Matrix Equation with Independent Variables
- island-boy
- · Replies 4 ·
Verifying Vector Equations: Proving Properties of Cross Products
- chocbizkt
- · Replies 1 ·
Symmetric matrix and diagonalization
- EvLer
- · Replies 9 ·
Proving that the Laplace Transform of J0(t) is 1/(s + 1)^1/2
- sensitive
- · Replies 8 ·
What Does Rolle's Theorem Mean for Differentiable Functions on Closed Intervals?
- afcwestwarrior
- · Replies 6 ·
Is the Kernel of Z[x] to R a Principal Ideal?
- pivoxa15
- · Replies 5 ·
Iterated Integral Surface Area Problem (with Polor Coordinates)
- alec_tronn
- · Replies 2 ·
How Do You Solve This Complex Indefinite Integral?
- Illusionist
- · Replies 7 ·
Optimizing Polynomial Approximations for Even Functions on Symmetric Intervals
- EvLer
- · Replies 2 ·
Solving the GCD of 2^10 and 10!: A Number Trick?
- lordy12
- · Replies 4 ·
Finding Orthonormal Set q1, q2, q3 for Column Space of A
- EvLer
- · Replies 6 ·
PID dosen't have to contain 1?
- pivoxa15
- · Replies 5 ·
Solving Integrals by Substitution: Tips and Tricks
- transgalactic
- · Replies 6 ·
Local extension and differential geometry
- Hyperreality
- · Replies 1 ·
Integral Problem: Help Me Integrate
- rishiraj20006
- · Replies 2 ·
Can a subring exist in the same domain as its parent ring?
- pivoxa15
- · Replies 5 ·
Number Theory - Primitive Roots
- mattmns
- · Replies 2 ·
How does the projection matrix work and when can cancellations be made?
- EvLer
- · Replies 2 ·
Deriving Trigonometric Functions: How to Find the Derivative of tan4x
- Ry122
- · Replies 15 ·
PID Math Problem: Every Element Generating Ideal?
- pivoxa15
- · Replies 3 ·
What are the period and phase shift in the function y=4sin(3X+Pie/4)-2?
- Ry122
- · Replies 3 ·
Differentiating Parametric Functions
- danago
- · Replies 3 ·
Finding the Equation of a Tangent: y=2sinx at P(5pie/6,1)
- Ry122
- · Replies 2 ·
How to derive the derivative formula of arctan x?
- dnt
- · Replies 6 ·
Another critical numbers problem
- afcwestwarrior
- · Replies 4 ·
Matrix Transformation ugly problem
- kingwinner
- · Replies 2 ·
Graphing a Function with No Local Minimum at x=2 and Differentiable at x=2
- afcwestwarrior
- · Replies 4 ·
System of Coulped ODE's/ Panic Attack
- H-bar None
- · Replies 4 ·
Second order homogeneous Differential EQ with complex coefficients.
- WHOAguitarninja
- · Replies 2 ·
Solve for a,b,c in y = ax(cubed) + bx(squared) + c
- mathmann
- · Replies 20 ·
X in ideal if x^n is in ideal?
- pivoxa15
- · Replies 9 ·
Proving Invertibility of AB-I & BA-I When A & B Are Both nxn Matrices
- daniel_i_l
- · Replies 3 ·
What is the critical number of the function f(x)= x^3 + 3x^2-24x?
- afcwestwarrior
- · Replies 15 ·
What are the ages of the three sons?
- johnnyc
- · Replies 3 ·
Value of a function definition help
- pivoxa15
- · Replies 12 ·
Problem with finite diffence method
- zeynepkisa
- · Replies 5 ·
Graphical Proof: The Max-Min Theorem Does Not Hold for Non-Continuous Functions
- joxer06
- · Replies 1 ·
Simple cosine expression NOT so simple
- Mark Wood
- · Replies 7 ·
Series and convergence/divergence help
- Gauss177
- · Replies 4 ·