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
Solving Differential Operator with D for 4(x^2)(D^2)+12xD+3
- asdf1
- · Replies 8 ·
What Is the Smallest Value of k for Postage Using Only 4-Cent and 9-Cent Stamps?
- andytran
- · Replies 1 ·
When does the Cauchy-Schwartz inequality hold?
- Benny
- · Replies 2 ·
Can You Solve These Prime Number Proofs?
- JdotAckdot
- · Replies 3 ·
Finding max and min revenue from variable table pricing
- gillgill
- · Replies 7 ·
Series expression for inverse hyperbolic function
- gdumont
- · Replies 2 ·
Solv. Calculus Problems: Max Vol, US Mail Stipulations
- rain
- · Replies 4 ·
Series Convergence: Root and Ratio Test Comparison
- thenewbosco
- · Replies 6 ·
Integrate sqrt(1+4x^2) using u=2x+1?
- Swatch
- · Replies 4 ·
How Do You Solve an Epidemic Model Using Partial Fractions?
- ISU20CpreE
- · Replies 1 ·
Can Laplace Transform Converge for Periodic Functions on [0,infty)?
- amcavoy
- · Replies 3 ·
Can substitution be used to solve these trigonometric integrals?
- Steel_City82
- · Replies 3 ·
Integrating Ln x: Does the Answer Always Equal 1/x?
- Steel_City82
- · Replies 5 ·
Smooth function between smooth manifolds
- Palindrom
- · Replies 2 ·
Multiplication in R=\mathbb{Z}_5 \times \mathbb{Z}_5: Operations and Definitions
- Icebreaker
- · Replies 3 ·
How can I find the radius of this circle?
- Natasha1
- · Replies 2 ·
What exactly the completion of a space is
- Oxymoron
- · Replies 25 ·
Proving (A U B) x (A U B) = (A x A) U (B x B) with Discrete Math
- sallaboy
- · Replies 3 ·
Proving One-Sided Limits - Jack
- jackbauer
- · Replies 7 ·
What went wrong with my calculations for a 2nd order D.E. solution?
- asdf1
- · Replies 2 ·
Maximizing light in a rural gothic window with equilateral triangle top
- IgniteFlare
- · Replies 3 ·
Paradox in Solving y``+8y`+16y=64cosh4x
- asdf1
- · Replies 3 ·
Linear Differential Equations with Exponential and Trigonometric Functions
- asdf1
- · Replies 2 ·
How Do You Find the Maximum of C(T) = 2t/(t+3)^2?
- almohandes
- · Replies 2 ·
Does a convex function have one minimum and no maximum?
- pinodk
- · Replies 5 ·
What are the derivatives of sine and cosine inverse functions?
- Yura
- · Replies 7 ·
Volume of a sphere with a hole through it
- Swatch
- · Replies 4 ·
Is {R-Z} a Subring of the Reals?
- 1800bigk
- · Replies 3 ·
Is the Set of Cosine and Polynomial Functions Dense in C(S, ℝ)?
- Oxymoron
- · Replies 1 ·
Where can I find a good resource on Fourier series and transforms?
- Umabel
- · Replies 2 ·
Describe the set of all compact sets which are supports of continuous functions
- benorin
- · Replies 6 ·
Proving moment of inertia of a sphere using disk method
- vInCEE-j
- · Replies 2 ·
What is the Stone-Weierstrass Theorem?
- Oxymoron
- · Replies 4 ·
Calculate Double Series: \sum_{i=1}^{\infty} \sum_{j=i}^{\infty} p^(j+i)
- AnthonyS
- · Replies 3 ·
Is Phi Upper Semicontinuous in Rudin's Analysis Problem?
- benorin
- · Replies 3 ·
Prove Cantor set is measure zero with style
- benorin
- · Replies 6 ·
Proving Equal Roots in ar^2+br+c=0 with L[e^(rt)]
- asdf1
- · Replies 2 ·
Using Sigma Notation to Prove \sum_{k=M}^{N} 2^{-k} = 2(2^{-M} - 2^{-N})
- dekoi
- · Replies 16 ·
Prove: Absolute Continuity Let f in AC[0,1] Monotonic
- nfrer
- · Replies 4 ·
What is the mistake in my derivative calculation and how can I fix it?
- quasar987
- · Replies 3 ·
Absolute Max/Min of Cube Root (8-t) in [0,8]
- scorpa
- · Replies 2 ·
Find Critical Numbers for F(x)= x^3-12x^2 - Ash
- physics_ash82
- · Replies 2 ·
Solving for Infection Growth with a Diff. Equation
- TSN79
- · Replies 6 ·
Is Every Field and Ring Homomorphism Injective?
- Icebreaker
- · Replies 4 ·
How to show x^4 + 3x + c = 0 has at most two roots
- powp
- · Replies 2 ·
Solve 3 Integrals with Fourier Integral - Cyrus
- Cyrus
- · Replies 5 ·
Matrix, making R2 to R3, finding standard matrix A where did i mess up?
- mr_coffee
- · Replies 1 ·
Can Mathematical Induction Validate These Inequalities for All Natural Numbers?
- symplectic_manifold
- · Replies 3 ·
Determine whether the series converges
- Shay10825
- · Replies 18 ·
Combining Fourier Series for Step Function: $\phi_{n} = \sin(nx)$
- stunner5000pt
- · Replies 1 ·
Why is n odd in Fourier series of f(x)=1 and what's the constant in the integrated series?
- stunner5000pt
- · Replies 1 ·
Proving an integral identity with swapped variables
- RSGuy
- · Replies 2 ·
Complex Analysis: Find Laurent Series for f(z) = 1/(e^-z - 1) About 0
- Dathascome
- · Replies 2 ·
Calculating Annual Effective Interest Rate for Financial Mathematics
- playboy
- · Replies 2 ·
Proving the Sum of Cosines Using Euler's Formula
- Tony11235
- · Replies 7 ·
Solving the diffusion equation with step function initial conditions
- Hadrian
- · Replies 6 ·
Diverging Series: Proving Logarithmic Divergence with Real x
- happyg1
- · Replies 5 ·
Finding the Tangent Space of SL(n,real) with A(0) being the Identity Matrix
- Diophantus
- · Replies 1 ·
Uniform semicircular lamina question
- brandon26
- · Replies 1 ·
Understanding Operator Identity: A^+(Af(x))^*g(x) = f^*(x)A^+g(x)
- quasar987
- · Replies 3 ·
Confirmation on Linear Algebra Question
- vg19
- · Replies 2 ·
How to solve a linear system using LDL^T factorization
- stunner5000pt
- · Replies 1 ·
Undetermined Coefficients / Variation of Parameters
- amcavoy
- · Replies 2 ·
What is a Removable Discontinuity and How Does it Affect x=2 in g(x) = x?
- maria curie
- · Replies 6 ·
How to find an equation for a graph?
- JoshHolloway
- · Replies 17 ·
Can someone explain the proof of the cosine law?
- maria curie
- · Replies 3 ·
Finding the matrix transformation of T
- mr_coffee
- · Replies 4 ·
Matrix transformation of a 2×2 matrix
- mr_coffee
- · Replies 2 ·
How can I solve \frac{dy}{dx}-\frac{y}{x}=\frac{y^2}{x^2} for x>0?
- skook
- · Replies 4 ·
Simple differentiation for YOU PPL
- beanryu
- · Replies 2 ·
Proving Laplacian in Cylindrical Coordinates
- quasar987
- · Replies 4 ·
Why Might the Square of a Sum Not Equal the Sum of Squares for Matrices?
- cmab
- · Replies 4 ·
Finding Critical Numbers for a Trigonometric Function
- cdhotfire
- · Replies 7 ·
How can you prove the N choose k formula without using a formula?
- mattmns
- · Replies 2 ·
Critical Numbers for f(x)=2sin(2x)/x on [-pi,pi]
- cdhotfire
- · Replies 3 ·
Compute Arctangent Series: Sum from 0 to n
- amcavoy
- · Replies 1 ·
Irreducible polynomial on polynomial ring
- SN1987a
- · Replies 1 ·
Sum of interior angles of cyclic hexagon
- Natasha1
- · Replies 1 ·
Finding the inverse of a polynomial in Zp[x] where p is prime
- Icebreaker
- · Replies 13 ·
Understanding Change of Variables for KE Formula
- Carolina Joe
- · Replies 1 ·
Finding Centre of Mass for a Uniform Semicircular Lamina
- brandon26
- · Replies 5 ·
Expectation value of continuous random variable
- rad0786
- · Replies 6 ·
Maximizing chip production rate by finding optimal thickness
- LakeMountD
- · Replies 5 ·
Uniform continuity and bounded
- 1800bigk
- · Replies 4 ·
How to Find and Verify Stationary Points in a Differentiation Problem
- smn
- · Replies 3 ·
Convergence of Series: Is x ≤ 2 the Only Condition for Convergence of S?
- Bob19
- · Replies 6 ·
Evaluating Surface Integral of f=x over Semi Sphere
- sibiryk
- · Replies 21 ·
Inverse Function with Differentiation
- Soaring Crane
- · Replies 1 ·
Linear transformation - matrices
- Benny
- · Replies 4 ·
What are the Different Ways to Define Legendre Polynomials?
- JM00404
- · Replies 1 ·
Numerical solution of 2nd order ODE
- Zurtex
- · Replies 3 ·
Is a Nullspace Spanned by One Vector Possible?
- tandoorichicken
- · Replies 1 ·
Max Capacity Trapezoid Trough: Optimization Problem Q
- griffon
- · Replies 1 ·
Triangle ABC with AB = AC, point D on AC where AD = DB = BC
- Natasha1
- · Replies 3 ·
Is My Trial Function Correct for Solving this ODE? (Exam Tomorrow)
- jdstokes
- · Replies 1 ·
Residue Calculus for Evaluating e^z/cosh z on Circle |z|=5
- David Laz
- · Replies 1 ·
Maxima and Minima for a two variable function
- Odyssey
- · Replies 1 ·
So in this case, the derivative of f(x) = cos pi*x is f'(x) = -pi*sin pi*x.
- IceColdCola19
- · Replies 2 ·
Convergence of two series with oscillating and alternating terms
- Benny
- · Replies 3 ·
Finding the constraint and objective in a geometry optimization problem
- dekoi
- · Replies 3 ·