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

Abstract Algebra- Conjugate Problem

  • corky23
  • · Replies 1 ·
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1

Proof That Every Linear Operator L:ℝ→ℝ Has Form L(x)=cx

  • LosTacos
  • · Replies 21 ·
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21

How Do You Determine Concavity for f(x) = cos^2(x) - 2sin(x)?

  • Feodalherren
  • · Replies 6 ·
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6

Finding the Maclaurin series representation

  • Turion
  • · Replies 1 ·
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1

Integrating a function from 0 to infinity correctly?

  • ck99
  • · Replies 2 ·
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2

How to Use Comparison Test for Convergence?

  • Turion
  • · Replies 8 ·
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8

Does the Intermediate Value Theorem Prove a Root in This Interval?

  • Dustobusto
  • · Replies 3 ·
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3

The Puzzling Case of Positive Polynomials: A Vector Space?

  • Workout
  • · Replies 3 ·
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3

Tangent plane equation question.

  • Pavoo
  • · Replies 1 ·
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1

Minimize distance between three points.

  • nou-me-na
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2

Prove intersection of convex cones is convex.

  • jvt05
  • · Replies 8 ·
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8

Minimum of Normal Distribution Function

  • Painguy
  • · Replies 1 ·
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1

Normal Distribution: PDF of a Normally Distributed Random Variable

  • Gallagher
  • · Replies 3 ·
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3

Triple Integral over Region: Finding Volume with f(x,y,z) = z

  • piepowah
  • · Replies 9 ·
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9

Statistics - Joint PMF / Hypothesis Testing

  • brojesus111
  • · Replies 5 ·
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5

Where did this step come from? Problem on series converge/divergence.

  • Lo.Lee.Ta.
  • · Replies 3 ·
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3

Verifying Line Integrals Using Vector Value Functions

  • yungman
  • · Replies 3 ·
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3

Investigating the Convergence of Series: Sn = 5-1/n

  • KTiaam
  • · Replies 1 ·
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1

Integral of statistical mechanics

  • alejandrito29
  • · Replies 1 ·
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1

Find the eigenvalues of a given matrix

  • blouqu6
  • · Replies 3 ·
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3

Evaluate the indefinite integral as an infinite series

  • KTiaam
  • · Replies 1 ·
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1

Solving Limits with L'Hopital's Rule

  • Jeff12341234
  • · Replies 11 ·
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11

Limit as n approaches infinity

  • KTiaam
  • · Replies 9 ·
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9

Why Is My Calculation of the Geometric Series Incorrect?

  • brojas7
  • · Replies 8 ·
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8

Problems with complex numbers and vectors

  • Thadis
  • · Replies 11 ·
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11

URGEN taking the power of complex exponential

  • kougou
  • · Replies 3 ·
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3

Ceiling[(2x + 1) / 2)] - ceiling[(2x + 1) / 4] + floor[(2x + 1) / 4]

  • Ash L
  • · Replies 1 ·
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1

Solving an Oscillatory Circuit

  • 1MileCrash
  • · Replies 6 ·
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6

Tossing a die till a number recurs.

  • peripatein
  • · Replies 9 ·
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9

Sum from 0 to infinity of [3/[(n+1)(5^n)]](x-3)^n HELP

  • Lo.Lee.Ta.
  • · Replies 25 ·
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25

Another Proof by Induction Question

  • mliuzzolino
  • · Replies 5 ·
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5

How much water is used when the water falls 1 cm from 100 to 99 cm?

  • mimi.janson
  • · Replies 3 ·
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3

Proof by Induction: 2n ≤ n! for All n ≥ 4

  • mliuzzolino
  • · Replies 4 ·
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4

Differential Equations - Second Order

  • GreenPrint
  • · Replies 1 ·
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1

Linear algerba: trace of square matrix is a linear functional

  • skrat
  • · Replies 6 ·
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6

Calculate MacLaurin Series for Finding the Sum of a Series | Homework Help

  • dwdoyle8854
  • · Replies 1 ·
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1

Finding Points on Curve where Derivative Doesn't Exist

  • AXidenT
  • · Replies 3 ·
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3

Lagrange Remainder: Clarifying MVT Statement

  • icystrike
  • · Replies 7 ·
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7

Definite integration, even function. confused about proof

  • InaudibleTree
  • · Replies 4 ·
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4

Derivative of inverse trig function absolute value?

  • quark001
  • · Replies 3 ·
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3

Multiple least squares regression

  • zzmanzz
  • · Replies 5 ·
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5

3 questions about iterated integral

  • ianchenmu
  • · Replies 1 ·
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1

Homework: Matrix is invertible when rows are linearly independent

  • skrat
  • · Replies 10 ·
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10

Solve the First Order Linear D.E. with the initial value

  • Painguy
  • · Replies 1 ·
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1

Will you check my solution to a relations question.

  • Hodgey8806
  • · Replies 2 ·
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2

What is the Distribution of the Sum of Two Standard Brownian Motions?

  • BrownianMan
  • · Replies 3 ·
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3

What is the second derivative of f(x) = x√(5-x)?

  • frosty8688
  • · Replies 5 ·
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5

Help with double integral - volume between 2 surfaces

  • coodgee
  • · Replies 5 ·
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5

How do you find derivative of xe^(x^2)

  • Lo.Lee.Ta.
  • · Replies 4 ·
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4

Area of a tunnel with two functions creating the cross section

  • Creaturemagic
  • · Replies 1 ·
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1

Characteristic polynomial and polynomial vector space

  • Caims
  • · Replies 1 ·
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1

Does limit exist as x approaches zero? Frobenius Method DEQ

  • lonewolf219
  • · Replies 4 ·
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4

Proving Inverse Function Continuity at Limit Point Q

  • STEMucator
  • · Replies 2 ·
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2

Finding the equilibrium points of a differential equation

  • nick.martinez
  • · Replies 1 ·
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1

Understanding the Limit Step in LaPlace Transforms

  • Jeff12341234
  • · Replies 2 ·
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2

Integrate: Solving an Integration Problem - Math Help

  • gl0ck
  • · Replies 7 ·
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7

Surface Area of Revolution about x axis

  • mikbear
  • · Replies 2 ·
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2

No problem, glad it worked out in the end!

  • stunner5000pt
  • · Replies 2 ·
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2

Solve Sequences & Limits Homework: Find Limit of z_n

  • Saitama
  • · Replies 8 ·
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8

Finding K, marginals, and moments for a joint density function

  • drawar
  • · Replies 4 ·
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4

Solving a Differential Equation: r(y) = 8-7.7*e^(y-1)

  • nick.martinez
  • · Replies 9 ·
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9

Heat Transfer - Rapid cooling of steel cylinder

  • Gu-Ute1
  • · Replies 1 ·
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1

Undetermined coefficients why doesn't it work?

  • 1MileCrash
  • · Replies 5 ·
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5

Integration of composite derivative of function

  • Bonaparte
  • · Replies 5 ·
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5

Matrix of eigenvectors, relation to rotation matrix

  • Fluxthroughme
  • · Replies 1 ·
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1

Vibrations and differential equations.

  • benoconnell22
  • · Replies 1 ·
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1

Finding Volume by use of Triple Integrals

  • maiad
  • · Replies 1 ·
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1

Find derivative of an integral with limits

  • Fire flame
  • · Replies 3 ·
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3

Proof of Even/Odd Case for a|bc in Z: Does a|b or a|c?

  • John112
  • · Replies 1 ·
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1

Proving Modular Relations: b ≡ 1 (mod 2) ⇒ b² ≡ 1 (mod 8)

  • John112
  • · Replies 1 ·
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1

How to find La Place transform of cos(x) * unit step function (x - pi)

  • lonewolf219
  • · Replies 4 ·
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4

Why Does exp(-z^2) Approach Zero in Certain Sectors?

  • liyz06
  • · Replies 2 ·
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2

Finding x for a certain quadratic form

  • vellum93
  • · Replies 1 ·
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1

Surjectivity of induced map via hom functor implies injectivity

  • Kreizhn
  • · Replies 2 ·
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2

Cosine theorem and maclaurin expansion

  • Telemachus
  • · Replies 2 ·
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2

Write down orthonormal bases for the four fundamental subspaces [ ]

  • s3a
  • · Replies 2 ·
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2

Problem about positive definiteness in the context of matrices

  • s3a
  • · Replies 19 ·
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19

Finding an invertible matrix P such that A=PJP^-1

  • ysebastien
  • · Replies 2 ·
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2

Simple yet tricky definite integration problem

  • Tamis
  • · Replies 2 ·
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2

Proving the Poisson Summation Formula: A Formal Approach

  • stripes
  • · Replies 1 ·
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1

Why Am I Getting a Complex Answer for the Current Through the Resistor?

  • dinospamoni
  • · Replies 3 ·
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3

Valid proof of Cauchy-Schwarz inequality?

  • phosgene
  • · Replies 2 ·
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2

Exponential Distribution memory loss

  • Mentallic
  • · Replies 3 ·
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3

Calculating Volume of Solid Rotated about Y-axis from Bounded Curves

  • mxthuy95
  • · Replies 4 ·
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4

Can someone explain this to me?

  • countzander
  • · Replies 3 ·
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3

Need help reducing exponential rotated plane wave

  • mmpstudent
  • · Replies 8 ·
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8
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2

Find an ellipse centered through the origin that runs through 3 points

  • mahrap
  • · Replies 1 ·
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1

Checking solution for a system of ODEs

  • SithsNGiggles
  • · Replies 1 ·
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1

Find the derivative and critical numbers of a cubed root function

  • frosty8688
  • · Replies 7 ·
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7

Trapezoidal Rule Homework: Integrate 0 to 2 x^3

  • mxthuy95
  • · Replies 3 ·
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3

Least-Squares Fit: Find Value of B for (-1,2), (0,1), (3,-4)

  • JT73
  • · Replies 2 ·
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2

Sum from 1 to infinity of (1+n)/((n)2^n) ~ is this right?

  • Lo.Lee.Ta.
  • · Replies 5 ·
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5

Question on Permutations and Products of Transpositions.

  • Wesc
  • · Replies 2 ·
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2

Show that B is not a topology on R

  • Tomath
  • · Replies 4 ·
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4

Range in Linear Transformation

  • mrshappy0
  • · Replies 2 ·
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2

Riemann Integrability of Composition

  • Shoelace Thm.
  • · Replies 3 ·
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3

Estimate integral. (Lp Spaces, Holder)

  • ChemEng1
  • · Replies 2 ·
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2

Function involving definite integral

  • Saitama
  • · Replies 2 ·
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2

Finding an orthonormal basis of V

  • Unredeemed
  • · Replies 4 ·
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4