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

Solve for variable in augmented matrix

  • Gurvir
  • · Replies 9 ·
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9

Finding the green's function for a second order linear DE and solve it

  • storluffarn
  • · Replies 2 ·
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2

A square matrix A with ker(A^2)= ker (A^3)

  • yeland404
  • · Replies 11 ·
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11

[limit point proof]: L(aub)=l(a)ul(b)

  • jvt05
  • · Replies 2 ·
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2

Solving 5i/(2+i) in Exponential Form | Imaginary Number Homework

  • sarahs52
  • · Replies 6 ·
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6

Finding the volume of these figures

  • yik-boh
  • · Replies 5 ·
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5

Substitution differential equation problem

  • Michels10
  • · Replies 1 ·
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1

Proving closure and boundary points

  • muzak
  • · Replies 4 ·
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4
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3

How do I prove the closure and the boundary of a concrete example?

  • amanda_ou812
  • · Replies 5 ·
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5

Need help finding some unknown constants

  • 1MileCrash
  • · Replies 10 ·
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10

Can a Sequence with a Limit of p be Called Infinite?

  • amanda_ou812
  • · Replies 5 ·
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5

Analysis - How many numbers in the interval [0,1) contain 5 consecutive 5's?

  • glacier302
  • · Replies 1 ·
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1

Convergence of sequence with log

  • l888l888l888
  • · Replies 3 ·
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3

Find the distance from the origin to the line x=1+y, y=2-t, z=-1+2t

  • goomer
  • · Replies 5 ·
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5
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6

How can the Taylor series help prove the limit of cosine?

  • Damidami
  • · Replies 4 ·
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4

Implicit and explicit solution for a given initial-value problem

  • Cheruby
  • · Replies 4 ·
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4

Comparison test for basic integral

  • PCSL
  • · Replies 12 ·
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12

Define f(x) where it is odd and even at two points

  • rexasaurus
  • · Replies 3 ·
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3

Need help finding the volume of a Angle Food Cake pan using integration.

  • alexf322
  • · Replies 4 ·
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4

Real Variables: Measurability of {x: x∈An i.o.}

  • glacier302
  • · Replies 2 ·
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2

Cannonball shot off of Earth, Escape velocity, max height

  • Fjolvar
  • · Replies 4 ·
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4

Regarding Eigen values Of a Matrix

  • the_amateur
  • · Replies 5 ·
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5

Need help proving a limit using epsilon delta definition.

  • nickadams
  • · Replies 10 ·
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10

Linear Algebra Matrix with Elementary Row Operations

  • lina29
  • · Replies 1 ·
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1

Just a quick question on the identity matrix

  • Jyupiter
  • · Replies 4 ·
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4

Inequality proof involving Infs and Sups

  • homegrown898
  • · Replies 1 ·
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1
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1

Problem with integrating heaviside function.

  • perpich08
  • · Replies 7 ·
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7

Proving the map function on finite lists using induction

  • asd1249jf
  • · Replies 7 ·
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7

Differential Equations - Method of Undetermined Coefficients

  • MJay82
  • · Replies 3 ·
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3

How Does Differentiating the Binomial Theorem Help Solve Summations?

  • Punkyc7
  • · Replies 17 ·
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17

Need help with proving a number is irrational

  • thenthanable
  • · Replies 2 ·
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2

What is the subgroup and order of a matrix group generated by A and B?

  • burak100
  • · Replies 8 ·
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8

Why Does (r^n) Converge to 0?

  • Lily@pie
  • · Replies 3 ·
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3

Cycles, functions that equal their own inverse

  • ArcanaNoir
  • · Replies 6 ·
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6

Absolute values resulting in diff-eqs

  • process91
  • · Replies 2 ·
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2

What are the functions satisfying f(x+y)=f(x)+f(y)+1 and f(1)=0?

  • iceblits
  • · Replies 64 ·
3
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64
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1

Proving 6 Divides a(a+1)(2a+1)

  • Zhalfirin88
  • · Replies 11 ·
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11

Prove this is greater than or equal to 8

  • Chinnu
  • · Replies 6 ·
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6

Need help understanding how to interpret a statistics problem

  • bennyska
  • · Replies 1 ·
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1

Can you prove E_{ij}AE_{kl}=a_{jk}E_{il} with the given formula for A?

  • lesliemath
  • · Replies 1 ·
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1

Positive integers for k: finding limits

  • chapsticks
  • · Replies 9 ·
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9

Limit help(1/rad(x) - 1/rad(x^2 + x))

  • dlp211
  • · Replies 4 ·
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4

Convergence of series using ratio test

  • l888l888l888
  • · Replies 1 ·
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1

Infinite summations: area of polygon

  • BrownianMan
  • · Replies 24 ·
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24

Proving Equality of Supremum and Infimum for Bounded Sets

  • Chinnu
  • · Replies 1 ·
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1

Is a set of orthogonal basis vectors for a subspace unique?

  • DryRun
  • · Replies 4 ·
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4

Advanced Algebra: Non-Finitely GEnerated Subgroup

  • empyreandance
  • · Replies 1 ·
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1

How Do I Find the Local Max of My Function?

  • JustHere155
  • · Replies 4 ·
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4

How Do You Solve a Beginner's Epsilon-Delta Proof for 1/x?

  • JPanthon
  • · Replies 5 ·
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5

Wrong answer using correct logic

  • Nikitin
  • · Replies 2 ·
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2

Need help Determining the Derivative

  • PhysicsAdvice
  • · Replies 2 ·
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2

Verhulst equation - integration problem

  • billiards
  • · Replies 1 ·
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1

Prove using the Triangle Inequality

  • Chinnu
  • · Replies 4 ·
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4

Calc 3 planes- not really understanding the problem/solution?

  • SMA_01
  • · Replies 4 ·
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4

Basic calc 3 problems, vectors and planes

  • shemer77
  • · Replies 14 ·
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14

Cdf of continous RV transformation

  • Laura1321412
  • · Replies 1 ·
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1

Proving G Has Same Degree Vertices: Graph Theory

  • Punkyc7
  • · Replies 21 ·
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21

How Do You Find the Critical Point of f(x) = e^x - 5x^2 - ln(x)?

  • jackchen
  • · Replies 4 ·
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4

Proof of Z-Transform Property | X(z) and x(n) Relation

  • SpaceDomain
  • · Replies 1 ·
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1

Strong Induction: Show 1\leq x_{n} \leq2 for all n \epsilon N

  • Punkyc7
  • · Replies 8 ·
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8

Finding Tangent Lines on a Hyperbola: Proving Proposition I-34

  • Shackleford
  • · Replies 7 ·
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7

Why is |sqrt(i)| = 1? (Imaginary Unit Explanation)

  • magnifik
  • · Replies 1 ·
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1

Partial Fractions of 1/((3x)(5-x))

  • 312213
  • · Replies 6 ·
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6

How to Compute the Laplace Transform of f(t-b)

  • quietrain
  • · Replies 6 ·
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6

Throwing everything I can at this one

  • 1MileCrash
  • · Replies 12 ·
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12

Epsilon and delta method of finding limits?

  • khurram usman
  • · Replies 7 ·
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7

State and prove a natural generalization

  • major_maths
  • · Replies 3 ·
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3

Assuming theorems/results in exams

  • Ted123
  • · Replies 2 ·
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2

Is the sequence {a_n} monotone?

  • pcvt
  • · Replies 3 ·
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3

Integrate over complex contour

  • beefcake24
  • · Replies 5 ·
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5

Complex Analysis: Evaluating an Integral over a Contour

  • beefcake24
  • · Replies 2 ·
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2

Optimal solution of lp problem

  • jagbrar
  • · Replies 1 ·
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1

Feasible solution for Linear Optimization

  • hkus10
  • · Replies 1 ·
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1

Deriving a Differential Equation

  • JNBirDy
  • · Replies 4 ·
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4

Question about sets and its closure.

  • amanda_ou812
  • · Replies 4 ·
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4

Understanding and Plotting a Step Function: Expert Guidance and Tips

  • khurram usman
  • · Replies 3 ·
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3

Digital Communications : Distortion signal

  • naspek
  • · Replies 2 ·
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2
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4

Integral using residue theorem

  • shebbbbo
  • · Replies 3 ·
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3

Converting complex power series into a function

  • beefcake24
  • · Replies 1 ·
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1

How do I show that there are no other solution

  • flyingpig
  • · Replies 26 ·
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26

Is Every Convex Polytope Both Convex and Closed?

  • zcd
  • · Replies 1 ·
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1

Finding the Tangent Vector at a Point

  • soccer43
  • · Replies 1 ·
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1

[ODEs] Exact Equations and Substitution

  • FermiParadox
  • · Replies 5 ·
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5

Bernoulli - Find the general solution

  • EmmanuelD
  • · Replies 2 ·
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2

Linear Programming degenerate case

  • zcd
  • · Replies 11 ·
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11

How does one find the maximum value of f given the graph of f'

  • ://Justice
  • · Replies 17 ·
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17

Help with writing a simple proof on inequalities

  • thelannonmonk
  • · Replies 2 ·
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2

Finding the domain of a composite function

  • lindseyam
  • · Replies 3 ·
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3

Deriving Basic Physic Problem Using Calculus

  • Hypnos_16
  • · Replies 8 ·
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8

Matrix theory question (to do with Linear Programming)

  • flyingpig
  • · Replies 11 ·
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11

Did I skip a major step in this proof? + Theory of this proof

  • flyingpig
  • · Replies 21 ·
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21

Transforming a Non-Linear DE into Bernoulli's Form

  • fluidistic
  • · Replies 17 ·
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17

Solving Multivariable Limit: x^2y^2/(x^3+y^3)

  • Yuqing
  • · Replies 4 ·
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4

Finding Vectors for Cross Product Problem - Explanation and Solution

  • JNBirDy
  • · Replies 2 ·
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2

Wronskian to prove linear independence

  • process91
  • · Replies 1 ·
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1