Calculus and Beyond Homework Help Forum

Solving Differential Operator with D for 4(x^2)(D^2)+12xD+3

asdf1
Nov 11, 2005 · Replies 8 · Nov 14, 2005

Replies: 8

What Is the Smallest Value of k for Postage Using Only 4-Cent and 9-Cent Stamps?

andytran
Nov 14, 2005 · Replies 1 · Nov 14, 2005

Replies: 1

When does the Cauchy-Schwartz inequality hold?

Benny
Nov 13, 2005 · Replies 2 · Nov 14, 2005

Replies: 2

Can You Solve These Prime Number Proofs?

JdotAckdot
Nov 3, 2005 · Replies 3 · Nov 13, 2005

Replies: 3

Optimizing Table Delivery: Maximizing Profit and Minimizing Cost

gillgill
Nov 11, 2005 · Replies 7 · Nov 13, 2005

Replies: 7

Series expression for inverse hyperbolic function

gdumont
Nov 13, 2005 · Replies 2 · Nov 13, 2005

Replies: 2

Solv. Calculus Problems: Max Vol, US Mail Stipulations

rain
Nov 13, 2005 · Replies 4 · Nov 13, 2005

Replies: 4

Series Convergence: Root and Ratio Test Comparison

thenewbosco
Nov 13, 2005 · Replies 6 · Nov 13, 2005

Replies: 6

Expert Tips for Integrating sqrt(1+4x^2) | Simplify with u=2x+1

Swatch
Nov 13, 2005 · Replies 4 · Nov 13, 2005

Replies: 4

How Do You Solve an Epidemic Model Using Partial Fractions?

ISU20CpreE
Nov 13, 2005 · Replies 1 · Nov 13, 2005

Replies: 1

Can Laplace Transform Converge for Periodic Functions on [0,infty)?

amcavoy
Nov 13, 2005 · Replies 3 · Nov 13, 2005

Replies: 3

Can substitution be used to solve these trigonometric integrals?

Steel_City82
Nov 13, 2005 · Replies 3 · Nov 13, 2005

Replies: 3

Integrating Ln x: Does the Answer Always Equal 1/x?

Steel_City82
Nov 13, 2005 · Replies 5 · Nov 13, 2005

Replies: 5

Smooth function between smooth manifolds

Palindrom
Nov 13, 2005 · Replies 2 · Nov 13, 2005

Replies: 2

Multiplication in R=\mathbb{Z}_5 \times \mathbb{Z}_5: Operations and Definitions

Icebreaker
Nov 13, 2005 · Replies 3 · Nov 13, 2005

Replies: 3

How can I find the radius of this circle?

Natasha1
Nov 13, 2005 · Replies 2 · Nov 13, 2005

Replies: 2

What exactly the completion of a space is

Oxymoron
Nov 10, 2005 · Replies 25 · Nov 13, 2005

Replies: 25

Proving (A U B) x (A U B) = (A x A) U (B x B) with Discrete Math

sallaboy
Nov 11, 2005 · Replies 3 · Nov 13, 2005

Replies: 3

Proving One-Sided Limits - Jack

jackbauer
Nov 9, 2005 · Replies 7 · Nov 13, 2005

Replies: 7

What went wrong with my calculations for a 2nd order D.E. solution?

asdf1
Nov 13, 2005 · Replies 2 · Nov 13, 2005

Replies: 2

Optimizing Rural Gothic Window Frame: Problem Solving

IgniteFlare
Nov 12, 2005 · Replies 3 · Nov 13, 2005

Replies: 3

Paradox in Solving y``+8y`+16y=64cosh4x

asdf1
Nov 13, 2005 · Replies 3 · Nov 13, 2005

Replies: 3

Linear Differential Equations with Exponential and Trigonometric Functions

asdf1
Nov 13, 2005 · Replies 2 · Nov 13, 2005

Replies: 2

How Do You Find the Maximum of C(T) = 2t/(t+3)^2?

almohandes
Nov 12, 2005 · Replies 2 · Nov 13, 2005

Replies: 2

A question about the minimum/maximum of a convex function

pinodk
Nov 8, 2005 · Replies 5 · Nov 13, 2005

Replies: 5

What are the derivatives of sine and cosine inverse functions?

Yura
Nov 7, 2005 · Replies 7 · Nov 13, 2005

Replies: 7

Volume of a sphere with a hole through it

Swatch
Nov 9, 2005 · Replies 4 · Nov 12, 2005

Replies: 4

Is {R-Z} a Subring of the Reals?

1800bigk
Nov 12, 2005 · Replies 3 · Nov 12, 2005

Replies: 3

Is the Set of Cosine and Polynomial Functions Dense in C(S, ℝ)?

Oxymoron
Nov 12, 2005 · Replies 1 · Nov 12, 2005

Replies: 1

Understand Fourier Transforms: A Comprehensive Guide

Umabel
Nov 12, 2005 · Replies 2 · Nov 12, 2005

Replies: 2

Describe the set of all compact sets which are supports of continuous functions

benorin
Nov 8, 2005 · Replies 6 · Nov 12, 2005

Replies: 6

Proving the moment of inerta of a sphere: can someone help me please?

vInCEE-j
Nov 10, 2005 · Replies 2 · Nov 12, 2005

Replies: 2

What is the Stone-Weierstrass Theorem?

Oxymoron
Nov 12, 2005 · Replies 4 · Nov 12, 2005

Replies: 4

Calculate Double Series: \sum_{i=1}^{\infty} \sum_{j=i}^{\infty} p^(j+i)

AnthonyS
Nov 10, 2005 · Replies 3 · Nov 12, 2005

Replies: 3

Is Phi Upper Semicontinuous in Rudin's Analysis Problem?

benorin
Oct 28, 2005 · Replies 3 · Nov 12, 2005

Replies: 3

Prove Cantor set is measure zero with style

benorin
Nov 11, 2005 · Replies 6 · Nov 11, 2005

Replies: 6

Proving Equal Roots in ar^2+br+c=0 with L[e^(rt)]

asdf1
Nov 10, 2005 · Replies 2 · Nov 11, 2005

Replies: 2

Using Sigma Notation to Prove \sum_{k=M}^{N} 2^{-k} = 2(2^{-M} - 2^{-N})

dekoi
Nov 11, 2005 · Replies 16 · Nov 11, 2005

Replies: 16

Prove: Absolute Continuity Let f in AC[0,1] Monotonic

nfrer
Nov 10, 2005 · Replies 4 · Nov 11, 2005

Replies: 4

What is the mistake in my derivative calculation and how can I fix it?

quasar987
Nov 11, 2005 · Replies 3 · Nov 11, 2005

Replies: 3

Absolute Max/Min of Cube Root (8-t) in [0,8]

scorpa
Nov 11, 2005 · Replies 2 · Nov 11, 2005

Replies: 2

Find Critical Numbers for F(x)= x^3-12x^2 - Ash

physics_ash82
Nov 11, 2005 · Replies 2 · Nov 11, 2005

Replies: 2

Solving for Infection Growth with a Diff. Equation

TSN79
Nov 8, 2005 · Replies 6 · Nov 11, 2005

Replies: 6

Is Every Field and Ring Homomorphism Injective?

Icebreaker
Nov 11, 2005 · Replies 4 · Nov 11, 2005

Replies: 4

Solving x^4 + 3x + c = 0 with Mean Value & Rolle's Theorems

powp
Nov 11, 2005 · Replies 2 · Nov 11, 2005

Replies: 2

Solve 3 Integrals with Fourier Integral - Cyrus

Cyrus
Nov 7, 2005 · Replies 5 · Nov 11, 2005

Replies: 5

Matrix, making R2 to R3, finding standard matrix A where did i mess up?

mr_coffee
Nov 11, 2005 · Replies 1 · Nov 11, 2005

Replies: 1

Can Mathematical Induction Validate These Inequalities for All Natural Numbers?

symplectic_manifold
Nov 11, 2005 · Replies 3 · Nov 11, 2005

Replies: 3

Determine whether the series converges

Shay10825
Nov 10, 2005 · Replies 18 · Nov 11, 2005

Replies: 18

Combining Fourier Series for Step Function: $\phi_{n} = \sin(nx)$

stunner5000pt
Nov 10, 2005 · Replies 1 · Nov 11, 2005

Replies: 1

Finding Fourier Series f(x)=1 & Integrating for g(x)=x on 0<=x<=pi

stunner5000pt
Nov 10, 2005 · Replies 1 · Nov 11, 2005

Replies: 1

Can anyone prove the following theorem?

RSGuy
Nov 10, 2005 · Replies 2 · Nov 10, 2005

Replies: 2

Complex Analysis: Find Laurent Series for f(z) = 1/(e^-z - 1) About 0

Dathascome
Nov 10, 2005 · Replies 2 · Nov 10, 2005

Replies: 2

Calculating Annual Effective Interest Rate for Financial Mathematics

playboy
Nov 9, 2005 · Replies 2 · Nov 10, 2005

Replies: 2

Proving the Sum of Cosines Using Euler's Formula

Tony11235
Nov 5, 2005 · Replies 7 · Nov 10, 2005

Replies: 7

Partial Differential Equations

Hadrian
Nov 10, 2005 · Replies 6 · Nov 10, 2005

Replies: 6

Diverging Series: Proving Logarithmic Divergence with Real x

happyg1
Nov 10, 2005 · Replies 5 · Nov 10, 2005

Replies: 5

Finding the Tangent Space of SL(n,real) with A(0) being the Identity Matrix

Diophantus
Nov 9, 2005 · Replies 1 · Nov 10, 2005

Replies: 1

Uniform semicircular lamina question

brandon26
Nov 10, 2005 · Replies 1 · Nov 10, 2005

Replies: 1

Understanding Operator Identity: A^+(Af(x))^*g(x) = f^*(x)A^+g(x)

quasar987
Nov 8, 2005 · Replies 3 · Nov 10, 2005

Replies: 3

Confirmation on Linear Algebra Question

vg19
Nov 8, 2005 · Replies 2 · Nov 10, 2005

Replies: 2

Solving Linear Systems Using LDL^T Factorization: Step-by-Step Guide

stunner5000pt
Nov 9, 2005 · Replies 1 · Nov 10, 2005

Replies: 1

Undetermined Coefficients / Variation of Parameters

amcavoy
Nov 9, 2005 · Replies 2 · Nov 10, 2005

Replies: 2

What is a Removable Discontinuity and How Does it Affect x=2 in g(x) = x?

maria curie
Nov 9, 2005 · Replies 6 · Nov 10, 2005

Replies: 6

How to find an equation for a graph?

JoshHolloway
Nov 7, 2005 · Replies 17 · Nov 9, 2005

Replies: 17

Understanding the Cosine Law: A Geometric Approach

maria curie
Nov 8, 2005 · Replies 3 · Nov 9, 2005

Replies: 3

Finding the matrix transformation of T

mr_coffee
Nov 7, 2005 · Replies 4 · Nov 9, 2005

Replies: 4

Did i do this matrix transformation right?

mr_coffee
Nov 8, 2005 · Replies 2 · Nov 9, 2005

Replies: 2

How can I solve \frac{dy}{dx}-\frac{y}{x}=\frac{y^2}{x^2} for x>0?

skook
Nov 8, 2005 · Replies 4 · Nov 9, 2005

Replies: 4

Simple differentiation for YOU PPL

beanryu
Nov 2, 2005 · Replies 2 · Nov 9, 2005

Replies: 2

Proving Laplacian in Cylindrical Coordinates

quasar987
Nov 9, 2005 · Replies 4 · Nov 9, 2005

Replies: 4

Why Might the Square of a Sum Not Equal the Sum of Squares for Matrices?

cmab
Oct 31, 2005 · Replies 4 · Nov 9, 2005

Replies: 4

Finding Critical Numbers for a Trigonometric Function

cdhotfire
Nov 8, 2005 · Replies 7 · Nov 9, 2005

Replies: 7

How can you prove the N choose k formula without using a formula?

mattmns
Nov 8, 2005 · Replies 2 · Nov 9, 2005

Replies: 2

Critical Numbers for f(x)=2sin(2x)/x on [-pi,pi]

cdhotfire
Nov 8, 2005 · Replies 3 · Nov 9, 2005

Replies: 3

Compute Arctangent Series: Sum from 0 to n

amcavoy
Nov 8, 2005 · Replies 1 · Nov 8, 2005

Replies: 1

Irreducible polynomial on polynomial ring

SN1987a
Nov 8, 2005 · Replies 1 · Nov 8, 2005

Replies: 1

Sum of interior angles of cyclic hexagon

Natasha1
Nov 8, 2005 · Replies 1 · Nov 8, 2005

Replies: 1

Finding the Inverse of a Polynomial in Zp[x]: Prime Algorithm

Icebreaker
Nov 7, 2005 · Replies 13 · Nov 8, 2005

Replies: 13

Understanding Change of Variables for KE Formula

Carolina Joe
Nov 8, 2005 · Replies 1 · Nov 8, 2005

Replies: 1

Finding Centre of Mass for a Uniform Semicircular Lamina

brandon26
Nov 3, 2005 · Replies 5 · Nov 8, 2005

Replies: 5

Expectation value of continuous random variable

rad0786
Nov 7, 2005 · Replies 6 · Nov 8, 2005

Replies: 6

Maximization- differential equations confused

LakeMountD
Nov 6, 2005 · Replies 5 · Nov 8, 2005

Replies: 5

Uniform continuity and bounded

1800bigk
Nov 8, 2005 · Replies 4 · Nov 8, 2005

Replies: 4

How to Find and Verify Stationary Points in a Differentiation Problem

smn
Nov 8, 2005 · Replies 3 · Nov 8, 2005

Replies: 3

Convergence of Series: Is x ≤ 2 the Only Condition for Convergence of S?

Bob19
Nov 7, 2005 · Replies 6 · Nov 8, 2005

Replies: 6

Evaluating Surface Integral of f=x over Semi Sphere

sibiryk
Nov 5, 2005 · Replies 21 · Nov 8, 2005

Replies: 21

Inverse Function with Differentiation

Soaring Crane
Nov 8, 2005 · Replies 1 · Nov 8, 2005

Replies: 1

Linear transformation - matrices

Benny
Nov 7, 2005 · Replies 4 · Nov 8, 2005

Replies: 4

What are the Different Ways to Define Legendre Polynomials?

JM00404
Nov 7, 2005 · Replies 1 · Nov 8, 2005

Replies: 1

Numerical solution of 2nd order ODE

Zurtex
Nov 7, 2005 · Replies 3 · Nov 8, 2005

Replies: 3

Is a Nullspace Spanned by One Vector Possible?

tandoorichicken
Nov 8, 2005 · Replies 1 · Nov 8, 2005

Replies: 1

Max Capacity Trapezoid Trough: Optimization Problem Q

griffon
Nov 7, 2005 · Replies 1 · Nov 8, 2005

Replies: 1

Discovering Triangle Symmetry: Tips for Solving Angle and Side Length Problems

Natasha1
Nov 7, 2005 · Replies 3 · Nov 8, 2005

Replies: 3

Is My Trial Function Correct for Solving this ODE? (Exam Tomorrow)

jdstokes
Nov 8, 2005 · Replies 1 · Nov 8, 2005

Replies: 1

Residue Calculus for Evaluating e^z/cosh z on Circle |z|=5

David Laz
Nov 7, 2005 · Replies 1 · Nov 7, 2005

Replies: 1

Maxima and Minima for a two variable function

Odyssey
Nov 7, 2005 · Replies 1 · Nov 7, 2005

Replies: 1

So in this case, the derivative of f(x) = cos pi*x is f'(x) = -pi*sin pi*x.

IceColdCola19
Nov 7, 2005 · Replies 2 · Nov 7, 2005

Replies: 2

Convergence/divergence of series

Benny
Nov 7, 2005 · Replies 3 · Nov 7, 2005

Replies: 3

Optimizing PRS in an Optimization Problem (See Attachment)

dekoi
Nov 6, 2005 · Replies 3 · Nov 7, 2005

Replies: 3

Calculus and Beyond Homework Help Forum

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