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

Sketching curves: intercepts, asymptotes, critical points [answer check]

  • lamerali
  • · Replies 5 ·
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5

Laplace transforms; Abel's integral equation

  • bdforbes
  • · Replies 2 ·
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2

More complex numbers, more trigs

  • rock.freak667
  • · Replies 6 ·
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6

How can mathematical induction be used to prove the triangle inequality?

  • pzzldstudent
  • · Replies 2 ·
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2

Do Orthogonal Vectors in 3-D Always Lie on a Straight Line?

  • war485
  • · Replies 6 ·
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6

Mixture problem (with a twist) Diff. Eq.

  • cthenley
  • · Replies 1 ·
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1

Use math induction to prove an expanded integral.

  • pzzldstudent
  • · Replies 4 ·
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4

Ask help about the pendulum~ THX

  • ZoroP
  • · Replies 4 ·
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4

How Can the Integral of 1/sqrt(x^2 - 1) Be Expressed Using Ln?

  • rado5
  • · Replies 4 ·
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4

Solving Nasty R Equations: Tips & Solutions

  • thomas49th
  • · Replies 5 ·
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5

Fourier series (cosine series expansion?)

  • wahoo2000
  • · Replies 10 ·
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10

Limiting Behavior of sin^2(x)/x^2 at x=0

  • ashleyrc
  • · Replies 21 ·
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21

But if x=0 then x=-0So we conclude that 0=-0Is -0 a Real Number?

  • philbein
  • · Replies 3 ·
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3

What is the Limit of polar coordinates?

  • andrassy
  • · Replies 3 ·
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3

Solving Exponential Rates: Intervals & Solutions

  • epsilonzero
  • · Replies 3 ·
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3

Probability of Rolling a Balanced Die 6 Times

  • kingwinner
  • · Replies 2 ·
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2

Solving IVP using Variable Change u = ln(y)

  • dm59
  • · Replies 1 ·
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1

Calculating the Equation of a Plane Perpendicular to a Given Line

  • daynat18
  • · Replies 3 ·
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3

Calculating Rate of Change for Sphere Volume and Surface Area

  • freman1075
  • · Replies 7 ·
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7

Question on partial derivative

  • Samoht
  • · Replies 2 ·
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2

Can someone tell me if this is rigorous enough?

  • quasar_4
  • · Replies 3 ·
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3

Linear Regression: Expected Value & Variance of Predicted Values

  • twoflower
  • · Replies 1 ·
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1

How to Convert Complex Numbers from Rectangular to Exponential Form?

  • elcotufa
  • · Replies 1 ·
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1

How can I prove that f + g is convex?

  • mohdhm
  • · Replies 1 ·
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1

Understanding Odd, Periodic Functions: Integrals and Periodic Shifts

  • Niles
  • · Replies 5 ·
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5

Proving ||L + M|| < ||L|| + ||M|| for Linear Transformations L, M

  • j0k3R_
  • · Replies 4 ·
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4

Finding the speed of a point moving around a circle

  • imsoconfused
  • · Replies 6 ·
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6

Give an example of such a convergent series

  • gas8
  • · Replies 3 ·
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3

Integrating cos(px) from 1 to 2 with a constant p

  • winston2020
  • · Replies 10 ·
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10

Linear Algebra Span of Vectors

  • luvlybug1025
  • · Replies 3 ·
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3

Solve Discrete Math Problem: f(x,y)= 4x+y-4

  • mamma_mia66
  • · Replies 2 ·
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2

Solving a second order diff. equation

  • Alphaboy2001
  • · Replies 20 ·
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20

Solving Integration Problem: Finding Int. of x^2e^(-x^2)

  • qspeechc
  • · Replies 4 ·
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4

Projectile Motion: Finding Distance to Clear a Wall

  • smartblonde
  • · Replies 2 ·
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2

Vectors that follow the same path? (should be easy)

  • imsoconfused
  • · Replies 9 ·
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9

Where Does a Ball Depart on a Tangent from a Circle?

  • imsoconfused
  • · Replies 5 ·
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5

Integrate e^∛x - Solve with Step-by-Step Help

  • LUmath09
  • · Replies 2 ·
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2

Linear Algebra(parametric equations)

  • ur5pointos2sl
  • · Replies 11 ·
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11

Trig problem involving parametric equations

  • dimitrix
  • · Replies 8 ·
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8

Simple systems of linear equations question

  • eugenius
  • · Replies 5 ·
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5

Limiting the Equation: Determine (i) limx->6-

  • Melawrghk
  • · Replies 3 ·
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3

Every infinite set has a countable dense subset?

  • oma12
  • · Replies 6 ·
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6

Show that x^n - y^n is divisible by (x-y)

  • bodensee9
  • · Replies 5 ·
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5

How can there be a function with a second derivative greater than zero

  • Aerosion
  • · Replies 1 ·
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1
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5

Definition of a linear differential equation

  • Niles
  • · Replies 1 ·
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1

Find the Error: Solving Homework Problems

  • Harmony
  • · Replies 1 ·
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1

How to approch Integrals and determine how to solve

  • XedLos
  • · Replies 5 ·
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5

Parametric equations and lines

  • Brigada
  • · Replies 1 ·
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1

Can n Vectors in Rm Span All of Rm?

  • MustangGt94
  • · Replies 1 ·
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1

Transposing and Inversing Matrices

  • bronxbombas
  • · Replies 1 ·
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1

Why is the integral of 1/r over a cylinder convergent?

  • bdforbes
  • · Replies 9 ·
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9

What are the 10th percentile and z-score for a set of eye measurements?

  • n77ler
  • · Replies 5 ·
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5

Linear Algebra-Fields and axioms

  • mirandasatterley
  • · Replies 8 ·
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8

What are the identity elements in S_3 for x^2=e and y^3=e?

  • fk378
  • · Replies 6 ·
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6

What does [-1,0]x{0} mean in box notation?

  • javi438
  • · Replies 5 ·
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5

Statistics- z-scores,mean,standard deviation

  • n77ler
  • · Replies 2 ·
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2

Finding the Tangent Line to a Hyperbola: A Worked Example Using Limits

  • naele
  • · Replies 3 ·
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3

Discrete Math - a modulus proof

  • CaptainSFS
  • · Replies 9 ·
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9

How Do I Simplify a Fraction Within a Fraction?

  • ur5pointos2sl
  • · Replies 2 ·
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2

Finding Sum of a^ncos(nx) from 0 to Infinity

  • JohnSimpson
  • · Replies 4 ·
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4

Stochastic Processes Homework: Rewriting Expectation

  • dirk_mec1
  • · Replies 14 ·
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14

Abstract Algebra Homework: Proving H is a Subgroup of G

  • sutupidmath
  • · Replies 10 ·
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10

Real quick easy question: hori and vert tan lines

  • ClaudeFrollo
  • · Replies 16 ·
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16

List all the functions from the three-element set

  • sampahmel
  • · Replies 2 ·
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2

Topology - Gluing two handlebodies by the identity

  • barbutzo
  • · Replies 4 ·
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4

Laplace's equation on a rectangle with mixed boundary conditions

  • nathan12343
  • · Replies 2 ·
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2

Union of Countable Infinite Sets: Impossibility or Reality?

  • ehrenfest
  • · Replies 29 ·
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29

Synthetic division (small part of a bigger problem)

  • graycolor
  • · Replies 4 ·
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4

Find the limit of the sequence n^3/(2n^3 + n)

  • walter9459
  • · Replies 3 ·
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3

Homogeneous equation; Initial Value

  • Exocer
  • · Replies 14 ·
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14

Volume of Triangular Solid: A Solution Attempt

  • gillyr2
  • · Replies 5 ·
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5

Solving the Billiard Balls Problem: Collision Time and Angle Calculation

  • rgalvan2
  • · Replies 1 ·
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1

Proving G is Abelian from (a*b)^2=(a^2)*(b^2)

  • fk378
  • · Replies 1 ·
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1

Differential equation involving falling object

  • MissMCHP
  • · Replies 2 ·
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2

Find u.v with Given Constraints: ||u+v||=1 and ||u-v||=5

  • kuahji
  • · Replies 3 ·
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3

Equation for Tangent at (1,2) of y=2(sqrt(x)) | Derivatives Tutorial

  • ur5pointos2sl
  • · Replies 2 ·
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2

Proof: (R,+) is a Group but (R,*) is Not

  • fk378
  • · Replies 7 ·
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7

Find Tangent Line to Path: x(t)=4costi-3sintj+5tk, t=\pi/3

  • rgalvan2
  • · Replies 2 ·
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2

Parabolic coordinate system question

  • Felicity
  • · Replies 1 ·
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1

Struggling with cos(a+b): My Frustration

  • viet_jon
  • · Replies 6 ·
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6

Proving that sum of Rational #s is Rational

  • rs21867
  • · Replies 2 ·
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2

Introductory abstract algebra question (computing permutations)

  • playa007
  • · Replies 1 ·
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1

Limit of x^1/x as x Approaches Infinity: Simplified Using ln and e

  • golriz
  • · Replies 3 ·
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3
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2

How do you divide a polynomial by (x+1)

  • laura_a
  • · Replies 1 ·
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1

Identifying Discontinuities in a Function on a Given Interval

  • TMNT
  • · Replies 1 ·
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1
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8

Verifying Entireness of Analytic Functions Using Cauchy-Riemann Theory

  • Benzoate
  • · Replies 1 ·
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1

Exponential Rate Problem: Solving for x and Showing Convergence to pi

  • evolution685
  • · Replies 2 ·
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2

Integrate m/(am+bv) w/ Respect to v - Help!

  • S[e^x]=f(u)^n
  • · Replies 1 ·
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1
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3

Family of subset of N is countable?

  • Unassuming
  • · Replies 5 ·
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5

Finding a Unit Vector in the Direction of a Directed Line Segment

  • ur5pointos2sl
  • · Replies 2 ·
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2

Quadratic Approximation of Potential Function using Taylor Expansion Method

  • Crazy Gnome
  • · Replies 3 ·
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3

Proving Limit of [x^2 - 2x] / [x^3 - 5] as x->Infinity = 0

  • tvguide123
  • · Replies 7 ·
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7

Change of basis- contravariant, covariant components of a vector.

  • Newtons Balls
  • · Replies 2 ·
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2

Solve Parabola for Equal Area: y=a(x^2) in Calc II

  • RUStudent
  • · Replies 16 ·
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16

Cauchy-Riemann Equations and Complex Derivatives: A Homework Problem

  • Benzoate
  • · Replies 1 ·
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1

Definition of a complex matrix

  • _Andreas
  • · Replies 8 ·
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8