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

Improper integral using comparison theorem

  • markr2
  • · Replies 6 ·
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6

Possible Error in Calculating Fourier Series for sin2x?

  • sarideli18
  • · Replies 8 ·
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8

Solving Linear Dependence in a Vector Space

  • Clandry
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1
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1

Prove: Cauchy sequences are converging sequences

  • Mathematicize
  • · Replies 1 ·
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1

Formal definition of limits as x approaches infinity used to prove a limit

  • aegiuscutter
  • · Replies 1 ·
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1

Multivariable limit definition question

  • STEMucator
  • · Replies 6 ·
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6

How do I determine if a function is analytic at x=a?

  • stgermaine
  • · Replies 1 ·
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1

Prove [itex]\lim_{a\to 0}\frac{1}{a} = \infty[/itex]

  • operationsres
  • · Replies 1 ·
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1

Find the matrix representations of the Differentiation Map in the Basis

  • nautolian
  • · Replies 2 ·
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2

HELP to solve an exponential equation with one unknown

  • LanieH
  • · Replies 9 ·
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9

How to prove the definition of arctangent function using integral?

  • zhongbeyond
  • · Replies 1 ·
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1

Laplace's equation on a rectangle with mixed b.c.s

  • sarideli18
  • · Replies 3 ·
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3

Find the Kernel of the Trace of a Matrix

  • nautolian
  • · Replies 2 ·
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2

Why Is Differentiating Logarithmic Functions Challenging?

  • 939
  • · Replies 4 ·
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4

Linearity of boundary conditions

  • sarideli18
  • · Replies 1 ·
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1

Precise definition of limits at infinity

  • drawar
  • · Replies 3 ·
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3

Prove A C B for Set Theory: Help with Pi and Integers

  • Andrax
  • · Replies 1 ·
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1
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5

Max and Min of a function of four variables

  • Artie
  • · Replies 11 ·
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11

Proving # Equilateral Triangles on Sphere

  • tainted
  • · Replies 2 ·
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2

Set of functions that are eventually zero

  • jmjlt88
  • · Replies 5 ·
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5

Comparing two functions: Proving f(x) > g(x) for all x > 0

  • the_kid
  • · Replies 9 ·
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9

Do Linear Operators Equate on All Vectors if They Match on a Basis Set?

  • pyroknife
  • · Replies 4 ·
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4

Find a polynomial p(t) of degree 6 which

  • zodiacbrave
  • · Replies 4 ·
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4

P(x) has two local maxima and one local minimum. Answer the following

  • Painguy
  • · Replies 2 ·
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2

How to Minimize the Sum of Squares of Three Numbers That Add Up to 12?

  • ScienceGeek24
  • · Replies 2 ·
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2
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1

Set up of an infinite geo series

  • trap101
  • · Replies 2 ·
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2

Convolution Problem: Solve 2e^{-t}u(t) \ast e^{t}u(-t)

  • jegues
  • · Replies 4 ·
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4

Number Theory, with a proof discussed in class (not homework)

  • Worded.Mouse
  • · Replies 1 ·
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1

When complex integration depends on the method of evaluation

  • karlzr
  • · Replies 5 ·
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5

Proving Existence of Integer n for Left Cosets in Q/Z | Homework Solution

  • UNChaneul
  • · Replies 7 ·
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7

Challenges in Proving Continuity: Three Problems to Tackle

  • mtayab1994
  • · Replies 5 ·
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5

Convolution of Unit Step and Impulses

  • jegues
  • · Replies 1 ·
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1

Squeeze theorem trig question. Please and thanks

  • nukeman
  • · Replies 10 ·
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10

Decomposing a Series Using Riemann's Rearrangement Theorem

  • the_kid
  • · Replies 4 ·
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4

How do you find the minimal polynomial?

  • Artusartos
  • · Replies 10 ·
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10

Heat conduction (Fourier complex integral)

  • jrp131191
  • · Replies 1 ·
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1

Simplifying the Parameter Elimination for X=sin(t) and y=csc(x)

  • Ura
  • · Replies 1 ·
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1

Finding max/min using Lagrange Multipliers

  • STEMucator
  • · Replies 13 ·
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13

Max and Min of function via Lagrange multipliers

  • CAF123
  • · Replies 4 ·
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4

Feeling like a tool for not remembering this series.

  • trap101
  • · Replies 7 ·
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7
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2

Find derivative where f(x) has three products

  • cloudboy
  • · Replies 3 ·
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3

Can someone please integrate this (hard) (not sure if even possible)

  • trot
  • · Replies 3 ·
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3

Linear Algebra - Show that this defines an inner product?

  • proctortom
  • · Replies 2 ·
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2

Need explanation of this differential equation

  • aruwin
  • · Replies 2 ·
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2

Double integrals over finite region

  • CAF123
  • · Replies 11 ·
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11

Local Max/Min and saddle points

  • ahhppull
  • · Replies 9 ·
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9

Is the Sequence (b2n-1)k in N Increasing?

  • SMA_01
  • · Replies 2 ·
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2

Number Theory (Modular Arithmetic and Perfect Squares)

  • m166780
  • · Replies 1 ·
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1

Verifying an Integral Representation of the Euler Constant

  • the_kid
  • · Replies 9 ·
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9

Writing out the span of this polynomial vector space?

  • halo31
  • · Replies 2 ·
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2

Proving properties of lim sup. Good attempt at proof

  • tamintl
  • · Replies 1 ·
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1

Using field axioms to prove a set is not a field

  • notnottrue
  • · Replies 3 ·
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3

Confusion about continuity question.

  • mathstudent79
  • · Replies 3 ·
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3

Solving for t->0+: L'Hospital's Rule

  • johnhuntsman
  • · Replies 3 ·
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3

Dimensions of Intersection of Matrices S and T

  • pyroknife
  • · Replies 18 ·
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18

Is the Chain Rule Application for Second Partial Derivatives Correct?

  • STEMucator
  • · Replies 0 ·
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0

How do I integrate Gaus's Law for magnetism for surface of half sphere?

  • Jacobim
  • · Replies 7 ·
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7

Difference Equation Coefficients

  • mad_monkey_j
  • · Replies 1 ·
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1

Solving AX=B when A is not invertible

  • drawar
  • · Replies 12 ·
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12

Determining order of the poles in z/(e^z-1)

  • Ratpigeon
  • · Replies 2 ·
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2

Derivative with constant variables

  • bmanmcfly
  • · Replies 5 ·
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5

Solve Arctan Equations: Find pi Value

  • mtayab1994
  • · Replies 1 ·
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1

Creating convergent sequences in Banach spaces

  • ScroogeMcDuck
  • · Replies 1 ·
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1

Improper Integral with Infinity in Limits

  • johnhuntsman
  • · Replies 5 ·
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5
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3

I don't understand a step in my notes, about Taylor expansion

  • fluidistic
  • · Replies 2 ·
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2

Proving the Intermediate Value Theorem and Range of 1:1 Continuous Functions

  • busterkomo
  • · Replies 2 ·
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2

Use differentials to estimate the change in tension of yo-yo string

  • bubbers
  • · Replies 1 ·
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1

Ratio Test for Series Homework: Author's Solution & Attempt at a Solution

  • Bashyboy
  • · Replies 3 ·
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3

Graduate Engineering - Linear Algebra (Graham Schmidt + more)

  • Koolaidbrah
  • · Replies 4 ·
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4

Uniqueness of Zeros in Functions Related by Derivatives

  • drawar
  • · Replies 4 ·
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4

A question about minimal polynomials

  • Artusartos
  • · Replies 3 ·
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3

Changing integration limits from [0,a] to [0, inf)

  • PerUlven
  • · Replies 4 ·
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4
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5

Strange proposition in calculus

  • Speedholic
  • · Replies 2 ·
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2

How Does xH Equal yH Imply x⁻¹y Belongs to H in Group Theory?

  • gottfried
  • · Replies 4 ·
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4

Problem in Logic - Hilbert Systems

  • andrewkirk
  • · Replies 0 ·
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0

How to Solve for B in a Complex Equation

  • bonfire09
  • · Replies 3 ·
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3

Help understanding/evaluating line integral over a curve

  • Kaldanis
  • · Replies 8 ·
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8

Prove that this is a linear transformation

  • charlies1902
  • · Replies 2 ·
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2

Wolfram Error - Spherical Unit Vectors Check

  • Syrus
  • · Replies 1 ·
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1

Solving ∫log(1+acosx) by Differentiation Under Integral Sign

  • msmmpts
  • · Replies 7 ·
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7

Rate of change of population after 2.5 hours?

  • Math Sucks
  • · Replies 4 ·
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4

How do I Compute the Second Partial Derivative of u with Respect to s?

  • CAF123
  • · Replies 12 ·
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12

Find a formula for this sequence

  • nate9228
  • · Replies 1 ·
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1

Is the Set {(x,y) in R^2: y >= 1/x, x >= 0} Convex?

  • WilcoRogers
  • · Replies 9 ·
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9

LINEAR ALGEBRA: How to prove system has one unique solution

  • phyzz
  • · Replies 2 ·
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2

Linear Algebra (Sparse Matrix and Diff. Eq)

  • dreamspace
  • · Replies 5 ·
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5

Second Order Differential Initial Value Problem

  • danielu13
  • · Replies 4 ·
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4

Can These Vector Sets Span Their Indicated Spaces?

  • testme
  • · Replies 6 ·
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6

Finding the area/volume for a transformed parallelogram/parallelepiped?

  • richashah
  • · Replies 1 ·
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1

Hyperbolic Geometry: Parameterization of Curves for Hyperbolic Distance

  • Phoenixtears
  • · Replies 1 ·
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1

Eigenvalues of a diagonalizable matrix

  • mathmathRW
  • · Replies 3 ·
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3

Newton's Law of Temperature Change Differential

  • Manni
  • · Replies 7 ·
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7

MatLab Integration Approximations for Given Function

  • renolovexoxo
  • · Replies 2 ·
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2

Prove that if A intersect B = A intersect C then

  • Andrax
  • · Replies 2 ·
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2