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

Linear algebra multiple choice questions

  • underacheiver
  • · Replies 2 ·
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2

Dimensional analysis of an equation

  • Safinaz
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1
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4

Chain Rule Confusion

  • laser1
  • · Replies 9 ·
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9

Volume between a region (above x-axis and below parabola) and a surface

  • songoku
  • · Replies 4 ·
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4

Lattice point problem from Stewart's Calculus

  • issacnewton
  • · Replies 21 ·
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21

Surface integrals of vector fields, normal - does scaling matter?

  • laser1
  • · Replies 7 ·
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7
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6

How should I show that the index of a limit cycle is ## 1 ##?

  • Math100
  • · Replies 1 ·
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1

Number of Subgroups of Index m

  • cyclic
  • · Replies 1 ·
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1

Number of factors of a polynomial in F_2

  • cyclic
  • · Replies 3 ·
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3

Max amplitude of superposition of 2 waves

  • rc2008
  • · Replies 10 ·
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10

Multivariable integration of a piecewise function

  • nomadreid
  • · Replies 3 ·
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3

Proof Using Mean Value Theorem

  • toslowtogofast2a
  • · Replies 17 ·
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17

Proving an Inequality: x+y>=2sqrt(xy)

  • toslowtogofast2a
  • · Replies 6 ·
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6

How should I show that this root is given approximately by this?

  • Math100
  • · Replies 2 ·
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2

Finding the line of reflection for a 2×2 matrix

  • Ascendant0
  • · Replies 10 ·
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10

[Solved] Unwanted minus sign in this derivative of a circular curve

  • nomadreid
  • · Replies 2 ·
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2

##\lim_{n\to\infty}\left(n\left(1+\frac1n\right)^n-ne\right)=?##

  • littlemathquark
  • · Replies 5 ·
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5

How should I show that all solutions of this equation are bounded?

  • Math100
  • · Replies 4 ·
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4

Triple Integral To Find Volume Between Cylinder And Sphere

  • flyusx
  • · Replies 2 ·
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2

How do I solve the Laplace equation using Robbin's Boundary Conditions?

  • shreddinglicks
  • · Replies 3 ·
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3

Find interval and root of polynomial with absolute error less than 1/8

  • songoku
  • · Replies 4 ·
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4

Prove the given problem that involves limits

  • chwala
  • · Replies 4 ·
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4

How should I show the following by using the signum function?

  • Math100
  • · Replies 14 ·
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14

Uniform Continuity of functions

  • Bling Fizikst
  • · Replies 40 ·
2
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40

Solve the given problem that involves Test of Hypothesis

  • chwala
  • · Replies 7 ·
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7

Find The Impedance For Two Complex Impedances in Parallel

  • Ascendant0
  • · Replies 3 ·
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3

How to find a system of equations when the solution is given?

  • Lotto
  • · Replies 6 ·
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6

What is the Fourier transform of sin(x) with non-zero terms?

  • lys04
  • · Replies 8 ·
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8

Solve the given problem involving integration

  • chwala
  • · Replies 6 ·
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6

Solve the given first order PDE

  • chwala
  • · Replies 5 ·
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5

How should I use the averaging approximation to find this?

  • Math100
  • · Replies 3 ·
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3

Find all positive integers n such that 3x^2-y^2=2018^n has an integer solution

  • littlemathquark
  • · Replies 15 ·
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15

Prove Continuity From Precise Definition of Limit

  • toslowtogofast2a
  • · Replies 7 ·
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7

Can square roots be simplified without a calculator?

  • littlemathquark
  • · Replies 13 ·
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13

Associativity of product sigma algebras

  • psie
  • · Replies 4 ·
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4

Is the sequence (0,0,1,0,0,0,0,1,1,1,..) a valid subsequence?

  • littlemathquark
  • · Replies 18 ·
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18

Pointwise convergence for all real x

  • lys04
  • · Replies 5 ·
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5

Prove this inequality using induction

  • sdfsfasdfasf
  • · Replies 2 ·
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2

Derivative Problem: f’(1), f’(2), f’(3), and f’(5)

  • SyaharaAden
  • · Replies 11 ·
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11

Regarding Simulations and Sample Size

  • Agent Smith
  • · Replies 10 ·
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10

Discontinuous partial derivatives example

  • littlemathquark
  • · Replies 2 ·
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2

Prove that the limit as n->infinity of n^n/n! is infinity

  • sphere1
  • · Replies 7 ·
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7

Is the cone x² + y² - z² = 0 a regular surface?

  • labercrombie36
  • · Replies 14 ·
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14

How should I show that this system has no limit cycle?

  • Math100
  • · Replies 2 ·
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2

A number Theory Question: Solve 2^x=3^y+509 over positive integers

  • littlemathquark
  • · Replies 1 ·
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1

x^2+2y^2+z^2=xyz Diophantine Equation

  • littlemathquark
  • · Replies 14 ·
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14

How should I show that these systems have no periodic solutions?

  • Math100
  • · Replies 2 ·
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2

How do you find the missing maximum of g(x)?

  • lioric
  • · Replies 28 ·
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28

Telescopic Series (Trigonometry)

  • Heisenberg7
  • · Replies 12 ·
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12

Proving a statement about covered intervals

  • littlemathquark
  • · Replies 4 ·
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4

How can I effectively solve a system of congruences?

  • bremenfallturm
  • · Replies 11 ·
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11

Why does 10|n^2 imply that 10|n, and why does 9|n^2 not imply that 9|n

  • bremenfallturm
  • · Replies 6 ·
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6

Deriving equation (18) in brachistochrone with friction paper

  • eddiezhang
  • · Replies 2 ·
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2
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7

How should I show that the transformation makes the system Hamiltonian?

  • Math100
  • · Replies 4 ·
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4

Taylor Series Expansion Confusion

  • laser1
  • · Replies 6 ·
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6

Finding large prime factors (number theory)

  • bremenfallturm
  • · Replies 2 ·
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2

Expression, modular arithmetic

  • bremenfallturm
  • · Replies 4 ·
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4

Does Bezout's theorem work both ways?

  • Heisenberg7
  • · Replies 6 ·
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6

Null space of dual map of T = annihilator of range T

  • zenterix
  • · Replies 1 ·
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1

Show inclusion map extends to an isometry

  • psie
  • · Replies 5 ·
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5

Partial differential equations, symmetries, invariants, conservations,

  • newold22
  • · Replies 2 ·
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2

Evaluate the limit of the given problem

  • chwala
  • · Replies 7 ·
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7

How should I find the equilibrium points and the general equation?

  • Math100
  • · Replies 3 ·
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3

Special Comparison Test For Infinite Series

  • Ascendant0
  • · Replies 4 ·
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4

Infinite Series (Geometric) Problem

  • Ascendant0
  • · Replies 4 ·
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4

Chain rule when substituting x = -u in differentiation

  • hokhani
  • · Replies 8 ·
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8

Understanding Equlibrium Points in differential equations

  • Martyn Arthur
  • · Replies 9 ·
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9

Equality sign and equivalence relations

  • psie
  • · Replies 7 ·
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7
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2

Finding limit using integration

  • songoku
  • · Replies 14 ·
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14

Getting the probability distribution of a random variable

  • rcktbr
  • · Replies 2 ·
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2
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2

Probability that all runners finish within (9.8s to 9.9s)

  • psie
  • · Replies 6 ·
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6

Two cards are drawn from a deck without replacement

  • PhDeezNutz
  • · Replies 6 ·
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6

Unit normed linear functional on a space of sequences

  • docnet
  • · Replies 13 ·
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13

Random number generation: probability of 2nd smallest >0.002

  • psie
  • · Replies 8 ·
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8

Why is continuity of F needed for order statistics probability?

  • psie
  • · Replies 3 ·
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3

Computing conditional extinction probabilities for pollen cells

  • psie
  • · Replies 1 ·
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1

Notion of an integral as a summation

  • sachin
  • · Replies 4 ·
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4

A game of roulette and generating functions

  • psie
  • · Replies 3 ·
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3

Can this function still be a constant function?

  • tellmesomething
  • · Replies 11 ·
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11

Find unconditional distribution using transforms

  • psie
  • · Replies 1 ·
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1

Vector parametric equation of line

  • songoku
  • · Replies 9 ·
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9

Finding Non-Trivial Solution(s) For 3x3 Matrix

  • Ascendant0
  • · Replies 9 ·
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9

Finding the limit of (1−cos 3x)/x² using continuity

  • tellmesomething
  • · Replies 3 ·
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3

f(x) = 2x+1, proving that it is continuous when p = 1 with 𝛿 and ε

  • thethagent
  • · Replies 7 ·
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7

Limit Considerations w/o L'Hôpital on a Quotient of Root Expressions

  • tellmesomething
  • · Replies 2 ·
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2

Is the Max Function a Norm in R^3?

  • Lambda96
  • · Replies 6 ·
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6

Constructing cubic spline interpolation polynomials

  • bremenfallturm
  • · Replies 4 ·
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4

Geometrical definition of Curl -- proof

  • vgarg
  • · Replies 4 ·
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4

Exam asks me for a case where ▲x > dx?

  • luke00628063
  • · Replies 5 ·
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5

Determine the mean square error of a simple distribution

  • psie
  • · Replies 4 ·
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4

lim x-->0 ##\frac{x tan2x -2xtanx} {(1-cos2x)^2}##

  • tellmesomething
  • · Replies 5 ·
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5

Find the limit of the sum of the areas of all these triangles

  • tellmesomething
  • · Replies 7 ·
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7

Implicit function theorem part 2

  • Lambda96
  • · Replies 1 ·
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1

N-dimensional broken stick problem -- find joint density

  • psie
  • · Replies 3 ·
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3

Find the particular solution of the second order differential equation

  • chwala
  • · Replies 3 ·
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3