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 Every Infinite Set Has An Infinite Countable Subset

  • Doom of Doom
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Deduce Taylor Series: (2n choose n) x^n Converges to 1/sqrt(1-4x)

  • braindead101
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3

Set Theory, One to One Correspondence

  • moo5003
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3

Show integrable is uniformly continuous

  • HF08
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2

Linear first order differential equation

  • raul_l
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1
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Find the normal form of a conic

  • sara_87
  • · Replies 17 ·
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17

How Accurately Can Binomial Series Approximate Sqrt(35)?

  • sami23
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1

When will oil pumping no longer be profitable?

  • lreichardt
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2

Linear transformation with two given bases

  • aximiliio
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1

Does \( a_{n} \) Diverge to \(\infty\)?

  • Positronized
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Identifying relative maxima using the second derivative test

  • duki
  • · Replies 4 ·
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4

Solve Limits Problem: Find Limit as x->infinity

  • duki
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2

If in Ring, evaluate (a+b)(c+d)

  • apalmer3
  • · Replies 8 ·
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8

Finding resistance for maximum power in P = 144r/(r+0.8)²

  • uradnky
  • · Replies 8 ·
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8

Antiderivative of sin^(3/2)(x)

  • LadiesMan
  • · Replies 2 ·
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2

Integration problems: Intriguing Integrals

  • BioCore
  • · Replies 4 ·
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4
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4

How do you derive d tr(AXB)/dX = A^T B^T?

  • olds442
  • · Replies 3 ·
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3

Calculating Line Integrals Using Stokes' Theorem

  • Niles
  • · Replies 2 ·
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2

Stationary points (roots) of partially derivated function

  • brollysan
  • · Replies 5 ·
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5

Proving the Maximum Rule in Big O Notation

  • khdani
  • · Replies 4 ·
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4
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2

Liouville's Theorem and constant functions

  • brian87
  • · Replies 30 ·
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30

Curve fitting and least squares method.

  • danbone87
  • · Replies 2 ·
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2

Laplace Transform (Should be easy)

  • Saladsamurai
  • · Replies 4 ·
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4

When is it appropriate to use the t test?

  • sara_87
  • · Replies 1 ·
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1

Proving Inequality for Natural Numbers n>2

  • gop
  • · Replies 1 ·
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1

Finding divergence when the denominator is a scalar

  • dalarev
  • · Replies 2 ·
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2

Approximating Binomial Series I'm so close

  • sami23
  • · Replies 4 ·
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4

Three antiderivatives: sec²x/(1+tanx)³, sin(2x)cos(x), cos²(2x)

  • W3bbo
  • · Replies 8 ·
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8

Finding a Sequence with Limit Set [0,1]

  • PingPong
  • · Replies 4 ·
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4

Triple integral over a sphere in rectangular coordinates

  • Batmaniac
  • · Replies 5 ·
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5

Telescoping sum with 2/(n² + 4n + 3)

  • Fuzedmind
  • · Replies 4 ·
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4

Partial Derivatives: Depend on Form?

  • ehrenfest
  • · Replies 6 ·
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6
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1

Why am I getting 16/7 for this series sum problem?

  • joellecool
  • · Replies 4 ·
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4

Understanding Inverse Images and Continuity in Real Analysis

  • im2fastfouru
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1
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2

The identity theroem complex analysis

  • Scousergirl
  • · Replies 1 ·
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1

Simplify x'yc+xy'c+xy to yc+xc+xy

  • snoggerT
  • · Replies 13 ·
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13

Proving T is Scalar Multiple of Identity Operator: Invariant Subspace

  • cubixguy77
  • · Replies 1 ·
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1

Calculating Double Sum: (n=3)(i=0)∑(n=2)(j=0)∑(3i+2j)

  • sapiental
  • · Replies 1 ·
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1

Binary Multiplication with Signed Numbers: Solving 15X-7

  • snoggerT
  • · Replies 7 ·
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Probability of a random variable

  • Shackman
  • · Replies 1 ·
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1

Linear transformation matrix problem

  • snoggerT
  • · Replies 2 ·
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2

Finding inverse of non-linear transformation

  • snoggerT
  • · Replies 3 ·
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3

Is the Integral of (sinx)/(1+cos^2(x)) convergent or divergent?

  • tbone413
  • · Replies 1 ·
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1

Invertible Operator with 0's on the Diagonal: What Conditions are Needed?

  • cubixguy77
  • · Replies 6 ·
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6

Are bessel functions pure real?

  • Pacopag
  • · Replies 2 ·
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2

How to Find Transition Matrices and Vectors in Ordered Bases

  • Benzoate
  • · Replies 1 ·
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1

Oh wow, a math question came up at work Finite series

  • blochwave
  • · Replies 8 ·
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8
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1

Area of a Hexagon: Find the Area with Radius r

  • Rossinole
  • · Replies 6 ·
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6

Solving an ODE using a power series

  • jessawells
  • · Replies 1 ·
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1

Inverse of Function f: R -> R Defined by f(x) = x^3+1

  • sapiental
  • · Replies 1 ·
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1

Computing Large Integers with Precision: Solving Equations with x=10^30

  • saubbie
  • · Replies 1 ·
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1

Related Rates height of rising water

  • uradnky
  • · Replies 13 ·
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13

Mean of a probability distribution

  • Snazzy
  • · Replies 2 ·
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2

Limits (x increasing without bounds)

  • chaosblack
  • · Replies 3 ·
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3

Finding rate of change of water depth in conical tank

  • KatieLynn
  • · Replies 1 ·
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1

Rate of volume change for a sphere with radius increasing at 2 in/min

  • KatieLynn
  • · Replies 3 ·
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3

Improper integral of xe^-x from 1 to infinity

  • fk378
  • · Replies 8 ·
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8

How to manipulate this expression?

  • Saladsamurai
  • · Replies 2 ·
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2

Prove that -|x| ≤ x ≤ |x| for real numbers

  • chocolatelover
  • · Replies 8 ·
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8

Does the limit of (x²y)/(x⁴+y²) as (x,y)→(0,0) exist?

  • MAins
  • · Replies 1 ·
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1

Damnit I am terrible at Partial Fractions

  • Saladsamurai
  • · Replies 4 ·
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4

Partition of integers where x~y if x-y is divisible by 3

  • chocolatelover
  • · Replies 5 ·
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5

Creating Five Distinct Partitioning Sets for A, Z, and R"

  • chocolatelover
  • · Replies 4 ·
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4

Double Integration in Polar Coordinates: Area Between Circles and Line y=7

  • iamwilson
  • · Replies 3 ·
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3

Proving that an onto function from finite set A to itself is one-to-one

  • moo5003
  • · Replies 2 ·
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2

How do you prove e^{1/z} has an essential singularity at z=0?

  • ehrenfest
  • · Replies 3 ·
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3

Diff EQ Application: Alcohol Concentration in a Tank

  • hils0005
  • · Replies 3 ·
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3

Integral of 5sin^(3/2)x*cosx dx

  • fiziksfun
  • · Replies 1 ·
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1
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4

Proving ln(x) using infinite series

  • darewinder
  • · Replies 3 ·
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3

1-D wave equation with fixed ends and initial displacement 2sin(πx)

  • ColdFusion85
  • · Replies 8 ·
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8

Separable Equation with Condition?

  • silicon_hobo
  • · Replies 2 ·
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2

Find a 2x2 Matrix A for Given Eigenspaces E_2 and E_4

  • snoggerT
  • · Replies 2 ·
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2

When should I use dy/dx versus f'(x) for derivatives?

  • dranseth
  • · Replies 6 ·
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6

Taylor Approximation Proof for P(r) using Series Expansion

  • essif
  • · Replies 2 ·
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2
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4
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7

How many elements are in two power sets

  • chocolatelover
  • · Replies 6 ·
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6

Evaluating Improper Integrals Using Polar Coordinates

  • iamwilson
  • · Replies 1 ·
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1

Initial values lead to periodic solution

  • mmnoname
  • · Replies 5 ·
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5

For which value of x horizontal Tangent Line

  • chaosblack
  • · Replies 4 ·
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4

What are the critical numbers for these calculus problems?

  • RedBarchetta
  • · Replies 2 ·
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2

Solving Grad f and Grad g for Math Problem

  • electricman
  • · Replies 1 ·
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1

Find (f of g)' at x=0: (6u)/(u^2+5) where u=4x^2+5x+1 and g'(x)=8x+5

  • b0mberman
  • · Replies 6 ·
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6

Continuity and C¹ domains for f(x,y) = 1/(x² + y² - 1)

  • Jenny010
  • · Replies 1 ·
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1

Differential Equations: Picard's Existence Theorem

  • mattst88
  • · Replies 4 ·
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4

Integral of dx/(5-4x-(x^2))^(5/2)

  • joseph9496
  • · Replies 2 ·
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2

Deriving a Function of Two Variables

  • brollysan
  • · Replies 5 ·
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5

Potential energy and energy conservation problem

  • kyin01
  • · Replies 9 ·
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9

Parametric Curves: Solving and Sketching

  • silicon_hobo
  • · Replies 1 ·
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1

Re: Integral involving square root of e^x

  • Schrodinger's Dog
  • · Replies 6 ·
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6
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3

Easy proof of Why del(phi) is normal to a surface?

  • cpfoxhunt
  • · Replies 3 ·
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3