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

Can a graph with no triangles have more than (n^2)/4 edges?

  • Oster
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Finding Relative Extrema of g(x)=x sech(x)

  • kari82
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2

Differentiation of exponents x

  • cal.queen92
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3

Volume of a Spherical Raindrop: Differential Equation Solution

  • Jamin2112
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1

Proof of Solutions for y' = xg(x,y) Equation

  • Fibonacci88
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2

Proving Injectivity of a Ring Homomorphism over a Field

  • annoymage
  • · Replies 3 ·
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3

What is the Antiderivative of a Complex Square Root Function?

  • rwsjyiy
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1

Complex Number Question - Euler's Formula?

  • KAISER91
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5

MVT/Rolle's Theorem: Defining Intervals

  • pyrosilver
  • · Replies 1 ·
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1

Solving a very strange improper integral

  • Susanne217
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2
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2

Convergence of a sequence when ratio of consecutive term converges

  • vrbke1007kkr
  • · Replies 8 ·
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8

First-order nonlinear ODE problem help

  • nominal
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1

Proving: Infinite Group Has Infinite Subgroups

  • bjnartowt
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1

How Do You Solve This Differential Equation Correctly?

  • stosw
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1

Rearranging a Logarithm Functon

  • SHRock
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1

Proving a Product of Commutative Rings not an Integral Domain:

  • silvermane
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2

Differential equation- solve for k

  • hover
  • · Replies 6 ·
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6

Solving for A in 1 = A2∫-2(x/a)2sin2(kx)

  • jocdrummer
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2

Is there a unique solution to y'=\sqrt{y} with y(0) = 0?

  • mathman44
  • · Replies 4 ·
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4

Show that a subset in E^2 is open.

  • jlemus85
  • · Replies 8 ·
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8

What is the Time Complexity of this Sorting Algorithm on an Array?

  • darkvalentine
  • · Replies 3 ·
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3

Show this set of functions is linearly independent

  • Ryker
  • · Replies 8 ·
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8

Arctan absolute value problem, calculus 1

  • timon
  • · Replies 8 ·
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8

Method of undetermined coefficients question

  • illidari
  • · Replies 1 ·
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1

Optimize Function: Abs Max & Min Values of -2x^2 + 3x + 6x^(2/3) + 2

  • pyrosilver
  • · Replies 4 ·
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4
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1

How can the vector derivative be calculated from this photo?

  • nhrock3
  • · Replies 1 ·
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1

Radius of Convergence for a Power Series with Ratio Test

  • Saladsamurai
  • · Replies 6 ·
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6

General question about surface integrals

  • kevinf
  • · Replies 3 ·
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3
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1

Finding the Value of a Vertical Vector

  • Loppyfoot
  • · Replies 5 ·
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5

Polar Coordinates: Apollo 13 Reentry: Calculating Theta

  • Ry122
  • · Replies 1 ·
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1

Is the Evenness of a Function Related to its Limits?

  • Jan Hill
  • · Replies 4 ·
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4

Probability- finite n-th moment

  • Roni1985
  • · Replies 1 ·
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1

Solving Mixing problems in calculus

  • Rotella5
  • · Replies 1 ·
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1

Finding Solutions for y^4+4y-69 - Without Advanced Math Tools

  • phillyolly
  • · Replies 1 ·
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1

Del operator problem driving me nutty

  • go_ducks
  • · Replies 7 ·
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7

What Is the Value of k When (1, -1) Lies on the Graph kx²-xy+y²=5?

  • screamtrumpet
  • · Replies 5 ·
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5

Proving the Supremum Property in Real Analysis

  • pzzldstudent
  • · Replies 2 ·
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2

Find limit of the following function

  • Zipzap
  • · Replies 6 ·
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6

Linear algebra involving dot product and orthongal matrices

  • ItsKP
  • · Replies 1 ·
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1

Does the Supremum of the Set A Exist?

  • silvermane
  • · Replies 7 ·
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7

How Many Real Solutions Does the Function f(x)=1.1x^4-6.7x^2+7.9x-2 Have?

  • screamtrumpet
  • · Replies 6 ·
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6

Diff eq: I dont understand my prof's comments. Here is my work.

  • frozenguy
  • · Replies 3 ·
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3

Proving 3x^2 + x^3 > 0 for x ≥ -1

  • silvermane
  • · Replies 7 ·
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7

Confidence Interval Calculation for Sample Mean: 95% Confidence Level

  • JOhnJDC
  • · Replies 1 ·
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1
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2

Complex numbers, inverse trig and hyperbolic

  • Liquidxlax
  • · Replies 6 ·
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6

Non-Linear First Order ODE: Critical Point Linearization

  • Mike86
  • · Replies 4 ·
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4

How to Solve a Quartic Equation by Hand

  • phillyolly
  • · Replies 2 ·
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2

Prove limit of this recursive sequence

  • vrbke1007kkr
  • · Replies 7 ·
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7

How Do You Derive and Simplify (1+e^-x)^-1?

  • TheHamburgler1
  • · Replies 3 ·
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3

Given the limit, find F and A?

  • xzh
  • · Replies 3 ·
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3

Is the Intersection of a Family of Sets Equal to the First Set in the Family?

  • Raziel2701
  • · Replies 1 ·
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1

Temperature distribution - PDE's

  • Anabelle37
  • · Replies 2 ·
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2

Can the Archimedean Property Prove 1/n < x for All Positive Reals?

  • Samuelb88
  • · Replies 2 ·
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2

Vector Calculus: Computing (V•∇)U and (U•∇)V with Given Functions

  • CalcYouLater
  • · Replies 1 ·
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1
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2

Subspace Proof (using addition and multiplication)

  • erok81
  • · Replies 5 ·
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5

How do i solve this differential equation

  • seto6
  • · Replies 4 ·
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4

What Is the Correct Derivative of the Function p(t)?

  • saadsarfraz
  • · Replies 2 ·
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2

If a and b are rational numbers satisfying

  • Jamin2112
  • · Replies 1 ·
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1

Two variable limit problem : Polar Coordinates

  • michonamona
  • · Replies 3 ·
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3

Showing a set is closed with the definition of continuity

  • radou
  • · Replies 3 ·
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3

Continuous Extension to a Point (Factoring Question)

  • BraedenP
  • · Replies 4 ·
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4

What is the point P(1,4) transformed to by the matrix A?

  • TsAmE
  • · Replies 4 ·
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4

Solving a differential equation numerically (in Octave, Matlab &c.)

  • ejlflop
  • · Replies 1 ·
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1

(Another) Introductory Level Calculus Question

  • Wormaldson
  • · Replies 5 ·
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5

Calculate Work to Drain a Hemispherical Tank

  • Punkyc7
  • · Replies 1 ·
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1

What is the division algorithm?

  • Daniellec08
  • · Replies 3 ·
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3

Graphical represtation of a diff equation solution

  • nhrock3
  • · Replies 2 ·
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2

Solving Differential Equations Using Change of Variables

  • psholtz
  • · Replies 5 ·
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5

Kernel of GL(n,F) acting on F^n

  • UD1
  • · Replies 1 ·
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1

Basic Set Theory (Indexed Collection of Sets)

  • Swixi
  • · Replies 4 ·
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4

Eulerian velocities to Lagrangian velocities

  • paccali
  • · Replies 3 ·
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3

Tangent plane, directional derivatives

  • Laura1321412
  • · Replies 2 ·
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2

Cauchy Sequence Convergence in the Real Numbers

  • jem05
  • · Replies 3 ·
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3

Prove the sum of two even perfect squares is not a perfect square

  • vinnie
  • · Replies 13 ·
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13

Finding the volume of a cone with a elliptic base

  • Ahlahn
  • · Replies 1 ·
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1

Proving √2 is Irrational: A Brief Explanation

  • Jamin2112
  • · Replies 1 ·
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1

Does limit ln(n)/n^c -> 0 for any c>0?

  • grossgermany
  • · Replies 4 ·
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4

Solve Differential Equation: Is My Work Correct?

  • bancux
  • · Replies 6 ·
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6

Gradient vectors and tangent lines

  • jcook735
  • · Replies 1 ·
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1

Comparing Series Using the Comparison Test

  • grossgermany
  • · Replies 11 ·
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11

Proof of convergence by proving a sequence is Cauchy

  • KPutsch
  • · Replies 4 ·
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4

Efficient Techniques for Solving Integrals: Quick and Simple Approach

  • Quinzio
  • · Replies 4 ·
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4

How can I solve a non-quadratic equation with the form y^4+4y-69=0?

  • justin345
  • · Replies 1 ·
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1

How many solutions are there in Z2?

  • loki91
  • · Replies 4 ·
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4

Find x for ln x=-2 using the natural logarithm formula

  • justin345
  • · Replies 3 ·
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3

Is √(n-1) + √(n+1) Always Irrational for n≥1?

  • choirgurlio
  • · Replies 3 ·
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3
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2

Bounded sequence that diverges, convergent subsequence

  • miren324
  • · Replies 4 ·
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4

Showing a general solution for a wave on a string fixed at one end

  • catpants
  • · Replies 2 ·
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2

Stumped on Calculating Total Charge on Conducting Surface

  • Dawei
  • · Replies 4 ·
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4

Parametric equations for Tangent line of an ellipse

  • derek1999
  • · Replies 1 ·
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1

Normal Vector for (x,y,z) Surface of f(x,y)

  • EV33
  • · Replies 3 ·
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3

Prove Cauchy Sequence Convergence: {p_n} \rightarrow p

  • mynameisfunk
  • · Replies 4 ·
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4

Induction proof problem (for set union)

  • deviltaz
  • · Replies 6 ·
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6

Passing Point trouble with finding a Vector Equation of a line

  • Liquid7800
  • · Replies 8 ·
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8