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

Proving Subset Inclusion for Intersection of Function Images

  • Bipolarity
  • · Replies 5 ·
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5

Eigenvalues of coefficient matrix problem

  • DrunkApple
  • · Replies 1 ·
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1

Determining linear independence

  • jwqwerty
  • · Replies 8 ·
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8

Proving Lemma: x + z = y + z implies x = y

  • Firepanda
  • · Replies 3 ·
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3

Integrate exp(-(z-ia)^2) from z = - infinity to z = infinity

  • Kate2010
  • · Replies 2 ·
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2

Finding the reflection of point (4,8) in the line y=-3/2 x+14

  • euro94
  • · Replies 2 ·
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2

How to evaluate this integral to get pi^2/6:

  • hb1547
  • · Replies 2 ·
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2

Uniqueness theorem for differential equations with √(y+1)

  • roam
  • · Replies 3 ·
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3

Differentiating a polar function

  • kgal
  • · Replies 2 ·
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2

Proof of one of the properties of Real Coordinate Vector Spaces

  • jwqwerty
  • · Replies 6 ·
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6

Does (ab)^n = a^n b^n for 3 consecutive integers imply the group is abelian?

  • natasha d
  • · Replies 2 ·
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2

Why is my approach for finding the number of R-submodules of E incorrect?

  • lugita15
  • · Replies 2 ·
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2

Find the limit a such that the definite integral equals 8

  • naaa00
  • · Replies 7 ·
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7

General Solution-Three variables-Two Equations

  • mikael27
  • · Replies 1 ·
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1

Selecting from an Urn. Conditional probability

  • torquerotates
  • · Replies 1 ·
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1

Units of the integral (x=seconds, y=metres)

  • bingoboy
  • · Replies 3 ·
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3

Prove that f is surjective iff f has a right inverse. (Axiom of choice)

  • AdrianZ
  • · Replies 1 ·
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1

If g∘f is one-one, is f necessarily one-one?

  • charmedbeauty
  • · Replies 10 ·
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10

Why is the product rule for derivatives incorrect?

  • Dramacon
  • · Replies 6 ·
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6

Taylor series of square root x about a = 4

  • skyturnred
  • · Replies 2 ·
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2

Evaluate real integral using residue theorem, where did I go wrong?

  • Poopsilon
  • · Replies 2 ·
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2

Combinations of Continuous Functions

  • kingstrick
  • · Replies 8 ·
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8

Prove Analytically: Inversion of a Circle is Also a Circle

  • zhandele
  • · Replies 1 ·
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1

Complex Integrals - Poles of Integration Outside the Curve

  • SirFibonacci
  • · Replies 2 ·
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2

Proving the Delta Function Identity Using the Local Behavior of Functions

  • jumbogala
  • · Replies 10 ·
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10

Fourier Transform of a Triangular Voltage Pulse

  • SeannyBoi71
  • · Replies 3 ·
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3

How do I show that the series Σcos(n) is bounded?

  • YAHA
  • · Replies 13 ·
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13

Finding intersection of plane and line, checking if line lies in plane

  • raytrace
  • · Replies 5 ·
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5

Does the sequence ((-1)^n * n) tend toward both +∞ and -∞?

  • Hodgey8806
  • · Replies 8 ·
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8

Limits at infinity, lim xF(x) = L then lim (f(x)=0

  • kingstrick
  • · Replies 8 ·
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8

What does linear independence mean for functions?

  • sncum
  • · Replies 6 ·
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6

Nonhomogeneous Boundary Value Problem

  • Grogs
  • · Replies 6 ·
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6

Area under y=x³ from 0 to 1 using Riemann sum limit

  • QuarkCharmer
  • · Replies 13 ·
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13

If g°f is one-to-one, must f and g both be one-to-

  • catherinenanc
  • · Replies 7 ·
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7

Prove map σ:y→xyx⁻¹ is bijective

  • catherinenanc
  • · Replies 4 ·
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4

Proof: Permutations and Surjective Functions

  • schaefera
  • · Replies 3 ·
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3

Proving inf(A) is unique with an epsilon proof

  • jaqueh
  • · Replies 5 ·
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5

Volume when circle x^2 + (y-1)^2 = 1 is rotated about x-axis

  • sushifan
  • · Replies 21 ·
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21

Prove G is Cyclic: Prime p Order Group

  • catherinenanc
  • · Replies 4 ·
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4

How Do You Calculate the Limit of (2n)!/(4n(n!)^2) as n Approaches Infinity?

  • looserlama
  • · Replies 22 ·
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22

Evaluate the limit as y approaches 4

  • hunt3rshadow
  • · Replies 11 ·
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11

Prove Polynomials Can be Written Using the Dimension Theorem

  • linalg
  • · Replies 8 ·
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8

Calculating the Surface Integral Using Stokes' Theorem

  • Hiche
  • · Replies 1 ·
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1

Proving x is Even in 2^x+3^y=z^2 (1)

  • .d9n.
  • · Replies 5 ·
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5

Finding matrix inverse and solving a system by row reduction

  • ivanyo
  • · Replies 2 ·
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2

Linear transformation using Composite Rule

  • foreverdream
  • · Replies 14 ·
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14

Showing a function is strictly decreasing on different intervals

  • k3k3
  • · Replies 4 ·
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4

Prove that the set {X: XA = AX} is a subspace of M 2,2

  • sschmiggles
  • · Replies 5 ·
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5

The probability of a Snap with two decks plus a single joker

  • I_Dont_Know
  • · Replies 2 ·
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2

Verifying a Permutation: Even or Odd?

  • catherinenanc
  • · Replies 6 ·
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6

Bernoulli Differential Equations

  • TranscendArcu
  • · Replies 2 ·
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2

Show that a triple integral = pi/4

  • hm8
  • · Replies 2 ·
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2

Limit of (x+2)/√x as x approaches infinity

  • kingstrick
  • · Replies 7 ·
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7

Regression (I think) of Newton's Law of Cooling

  • HalcyonStorm
  • · Replies 6 ·
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6

Relation between Gamma and Poisson

  • lily_w
  • · Replies 1 ·
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1

Existence of a limit point implies existence of inifintely many limit points?

  • julypraise
  • · Replies 8 ·
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8

Number Theory: Divisibility Proof

  • tylerc1991
  • · Replies 1 ·
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1

Polar coordinates and multivariable integrals.

  • Minihoudini
  • · Replies 2 ·
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2

Is the domain of f(x,y)=sqrt(y-x) open, closed, or both?

  • miglo
  • · Replies 3 ·
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3

Derivative of the inverse of a function

  • yurkler
  • · Replies 3 ·
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3

Differentiation Rules of Sinusoidal Functions

  • chudzoik
  • · Replies 4 ·
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4

Function bounded on [a,b] with finite discontinuities is Riemann integrable

  • natasha d
  • · Replies 4 ·
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4

Nilpotent Matrices: Invertibility and Transpose Proof

  • tom_jerry122
  • · Replies 2 ·
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2

Deciding if Divergent/Convergent via Comparison Theorem

  • drofenaz
  • · Replies 6 ·
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6

Stationary phase method for integral with vanishing amplitude at endpoint

  • Elec Man
  • · Replies 1 ·
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1

Basic topology (differing metric spaces in R^2)

  • mjkato
  • · Replies 1 ·
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1

Extend the functional by continuity (Functional analysis)

  • mathdunce
  • · Replies 2 ·
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2

Integrating sin(x³) with substitution

  • Hybrid_Theory
  • · Replies 2 ·
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2

Finding the limit of (t+1)²/(t²+1) as t approaches 3

  • gtfitzpatrick
  • · Replies 2 ·
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2

Rate of change of volume in a cone problem

  • jsmith613
  • · Replies 4 ·
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4

What is the Contour Integral of Log(z) on a Specific Contour?

  • hadroneater
  • · Replies 1 ·
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1

Approximating Root of Equation with Newton's Method Using Maple

  • kuttaman
  • · Replies 1 ·
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1

Prove: Set of rational numbers cannot be expressed as intersection of open sets

  • azure kitsune
  • · Replies 13 ·
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13

Row redcing a matrix to determine linear dependence?

  • lonewolf219
  • · Replies 6 ·
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6

Rational number between √2 and √2 + 1/1000

  • KelvinMa
  • · Replies 2 ·
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2

Calculus problem find the equation of the line given two points

  • O'Fearraigh
  • · Replies 11 ·
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11

Finding a basis given part of that basis

  • skyturnred
  • · Replies 3 ·
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3
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6

What Is the Probability an Email Quarantined as Spam Is Actually Spam?

  • gtfitzpatrick
  • · Replies 3 ·
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3

Cardinality of the set of all functions from N to N

  • Flying_Goat
  • · Replies 3 ·
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3

What Is the Probability of Drawing an Odd, Black, or Even Card from a Deck?

  • gtfitzpatrick
  • · Replies 11 ·
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11

Finding all complex solutions to the equation z̄ = z

  • Rubik
  • · Replies 9 ·
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9

Intersection of Rationals and (0 to Infinity)?

  • IntroAnalysis
  • · Replies 5 ·
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5

Equivalence of Subgroups in a Group

  • tiger4
  • · Replies 1 ·
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1

Laplace Transform, what does it mean?

  • QuarkCharmer
  • · Replies 6 ·
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6

Prove ||x|^α - |y|^α| ≤ |x-y|^α for α in (0,1]

  • IniquiTrance
  • · Replies 13 ·
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13

How Might I Show That Aut(Z) Has Order 2?

  • PennState666
  • · Replies 3 ·
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3

Absolute and conditional convergence of series (1 + x/n)^n^2

  • looserlama
  • · Replies 7 ·
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7

A vacuously existing function?

  • julypraise
  • · Replies 5 ·
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5

Nowhere continuous functions f and g with continuous sum and product

  • ƒ(x)
  • · Replies 3 ·
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3

Brain Teaser with combinatorics

  • chimpfunkz
  • · Replies 6 ·
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6

Using laplace transforms to solve IVP problems with cramers rule

  • fufufu
  • · Replies 3 ·
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3

Eliminate the parameter to find a Cartesian equation of the curve.

  • Gundown64
  • · Replies 1 ·
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1

2nd order homogeneous linear diff eq

  • arl146
  • · Replies 5 ·
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5
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3

Non-linear ODE, plane-polar coordinates.

  • spitz
  • · Replies 6 ·
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6

Is the Kernel of a 9x10 Matrix with Rank 5 Four-Dimensional?

  • teddyayalew
  • · Replies 1 ·
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1

Largest Region Where g(z) = 1/[Log(z)-(i*pi)/2] is Analytic

  • gestalt
  • · Replies 1 ·
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1

Ring where x² = 1_R for all nonzero x

  • Stephen88
  • · Replies 1 ·
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1

Are constant sequences monotonic?

  • cragar
  • · Replies 1 ·
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1