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

Glad you were able to figure it out! Keep up the good work!

  • seiferseph
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Using Leibniz's rule to find I'(y) = 4y ln(2y)

  • elle
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5

How to Convert Rectangular Equations to Polar Form?

  • Punchlinegirl
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3

Pine costs twice as much as fibreboard

  • danizh
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4

Why does y=x/(x-1)² cross y=0 on the left side?

  • scorpa
  • · Replies 6 ·
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6

Parametric Curves and Tangent line equations

  • ms. confused
  • · Replies 1 ·
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1

If n is odd, prove one of n+5 or n+7 is divisible by 4

  • jmn_153
  • · Replies 10 ·
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10

Why does d/dx of e^x equal e^x?

  • AMF8
  • · Replies 18 ·
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18

Profit function and differentials

  • rain
  • · Replies 3 ·
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3

Finding the partial derivative of f(2x, 3y) with respect to x

  • twoflower
  • · Replies 3 ·
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3

Finding dH/dt with the chain rule for composite functions

  • twoflower
  • · Replies 3 ·
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3

Proving Invertible Elements in Algebraic Structure of Zn

  • soulflyfgm
  • · Replies 4 ·
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4

How Many Ways Can a Number Be Represented as an Arithmetic Series Sum?

  • Natasha1
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1
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2
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3

Linear Algebra: The vector space R and Rank

  • rad0786
  • · Replies 1 ·
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1

Finding the Rate of Change of a Spherical Balloon's Diameter

  • skivail
  • · Replies 2 ·
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2

Related rates: kite height changing with string angle

  • skivail
  • · Replies 2 ·
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2

Don't you just love related rates?

  • ms. confused
  • · Replies 1 ·
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1

Solving for the Double Integral: A Change of Variables Problem

  • jordanl122
  • · Replies 3 ·
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3

Don't know where to start when doing these proofs

  • jmn_153
  • · Replies 9 ·
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9

Related Rates: Object Drop from 200ft Tower, 2 Sec Shadow Rate Calculation

  • 11thgradephysics
  • · Replies 3 ·
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3

Show me how to integrate this equation step by step

  • newbie101
  • · Replies 6 ·
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6

Calculating the Directional Derivative of T at (1,1,2)

  • twoflower
  • · Replies 1 ·
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1

Discriminant is a symmetric polynomial

  • Pietjuh
  • · Replies 1 ·
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1

What is the null space of TΦ for Φ = x over the interval [0,1]?

  • tavi
  • · Replies 1 ·
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1

Finding r bounds when converting double integral to polar coordinates

  • brad sue
  • · Replies 4 ·
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4

Parabolic cylindrical coordinates

  • iNCREDiBLE
  • · Replies 3 ·
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3

PDE: separation of variables problem

  • eckiller
  • · Replies 1 ·
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1

More on linear transformations

  • johnnyboy2005
  • · Replies 2 ·
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2

If f: X → Y is a bijection with continuous inverse, when is Y Hausdorff?

  • TimNguyen
  • · Replies 8 ·
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8

Struggling with a second-order differential equation

  • tomfitzyuk
  • · Replies 4 ·
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4

What are the automorphism groups of S3?

  • hgj
  • · Replies 3 ·
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3

Are [a,b) and (a,b] Homeomorphic in Absolute Value Topology?

  • TimNguyen
  • · Replies 9 ·
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9

Is L'Hopital's Rule Applicable to Natural Log Limits?

  • MrBailey
  • · Replies 3 ·
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3

Finding maximum error in cylinder volume using partial derivatives

  • twoflower
  • · Replies 10 ·
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10

Proving function is one to one and onto with irrational expressions

  • kamui8899
  • · Replies 4 ·
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4

Find point P on parabola y=x^2 that maximizes triangle area with chord AB

  • okeydokey
  • · Replies 2 ·
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2

Taylor series for kcosh(x/k) showing only even terms

  • Nusc
  • · Replies 2 ·
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2

Using the Chain Rule to Differentiate f(g(x^2))

  • jesuslovesu
  • · Replies 1 ·
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1

Verifying T(X1, X2, X3) = (2X1 - X2 + X3, X2 - 4X3) is linear

  • johnnyboy2005
  • · Replies 4 ·
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4

How do I prove a sequence is monotonic?

  • elle
  • · Replies 16 ·
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16

Solve the ODE y'' + (3x)/(1+x^2)y' + 1/(1+x^2)y = 0

  • Treadstone 71
  • · Replies 7 ·
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7

Example of an essentially bounded function

  • Tzar
  • · Replies 2 ·
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2

Solving Double Integral: Struggling with Variables

  • Schwartz
  • · Replies 6 ·
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6

Proving f(x) = 9x - 7 is continuous at x = 2

  • Jeff Ford
  • · Replies 1 ·
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1

Why is Concavity and Inflection Points Important for Calculus AB?

  • Robokapp
  • · Replies 2 ·
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2

Proving that a neighborhood of the identity generates a Lie group

  • Palindrom
  • · Replies 12 ·
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12

How to eliminate negative exponents when finding critical points

  • Quadruple Bypass
  • · Replies 7 ·
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7

How to check if a sequence is bounded and find its sup and inf

  • elle
  • · Replies 2 ·
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2

Can't Row Reduce Matrix - Finding Nullspace and Imagespace

  • mr_coffee
  • · Replies 3 ·
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3
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4

Proving the triangle inequality for complex numbers

  • lektor
  • · Replies 3 ·
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3

Measuring averages (Chi squared)

  • skiboka33
  • · Replies 1 ·
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1

Finding points with the same tangent line on a quartic

  • Jason D.
  • · Replies 4 ·
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4

Prove every even ordered group has an element of order 2

  • calvino
  • · Replies 7 ·
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7

Can You Prove That 0! Equals 1?

  • Natasha1
  • · Replies 10 ·
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10

Counterexample involving an abelian group

  • calvino
  • · Replies 4 ·
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4

Conjecturing Patterns for Sum of Powers Series

  • Link
  • · Replies 5 ·
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5

Finding the null space, matrix fun wee

  • mr_coffee
  • · Replies 5 ·
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5

How to Convert Sine and Cosine to Secant for Integration?

  • abot
  • · Replies 3 ·
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3

Where to start I need to multiply and divide by somthing anyone c it?

  • mr_coffee
  • · Replies 8 ·
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8

How Do You Use Lagrange Multipliers to Find the Closest Points to the Origin?

  • Weatherkid11
  • · Replies 2 ·
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2

Where to find calculus problems with solutions from limits to integrals

  • daniel_i_l
  • · Replies 4 ·
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4
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1

Isomorphism of Surjective Homomorphisms in Finite Rings

  • Icebreaker
  • · Replies 5 ·
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5

How to solve a complex differential equation using the chain rule?

  • newcool
  • · Replies 3 ·
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3

Proving on modulus and conjugates

  • irony of truth
  • · Replies 3 ·
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3

Proving continuity for functions with the integers as the domain

  • SomeRandomGuy
  • · Replies 3 ·
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3

Solve for Eigenvector: Characteristic Equation of Matrix A with Solution Method

  • johnnyboy2005
  • · Replies 1 ·
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1

Limit Problem: Itermediate Value Theorem

  • MrBailey
  • · Replies 5 ·
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5

Verifying Inner Product Properties on a Circle Function

  • quasar987
  • · Replies 5 ·
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5

Unit vector in direction of fastest growth at a point

  • sibiryk
  • · Replies 8 ·
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8

How Does the Cantor Set Compare to the Cardinality of Real Numbers?

  • benorin
  • · Replies 5 ·
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5

Solving Indefinite Integrals: "int (1/(sqrt -x^2 -2x))dx

  • Atilla1982
  • · Replies 1 ·
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1

Logarithms: Solving for Log(3) 25 and Finding Log(3) 75 and Log(5) 75

  • craig100
  • · Replies 1 ·
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1

Linear transformation and Ker(T)

  • Benny
  • · Replies 4 ·
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4

Calculating Powers of Complex Numbers in the Third Quadrant

  • Atilla1982
  • · Replies 5 ·
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5
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1

Prove f(x)=0 if integral of |f(x)| is zero

  • Ara macao
  • · Replies 2 ·
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2

Can You Master the Equation (1+n)^n/n to (1+1/n)^n?

  • sony
  • · Replies 9 ·
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9

Finding t for Parametric Equations

  • Whatupdoc
  • · Replies 2 ·
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2

What is the prime Ulam #'s ratio?

  • an_tall
  • · Replies 1 ·
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1

Price elasticity for demand q=Cp^(-k) and revenue maximization

  • rain
  • · Replies 1 ·
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1

Limit of [2(-1)^(n+1) - 3^(n+1)]/[2(-1)^n - 3^n] as n→∞

  • markcholden
  • · Replies 3 ·
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3

Elesticity - What must be true about the demand function if E=0?

  • gillgill
  • · Replies 1 ·
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1

Where am I going wrong with complex eigenvectors?

  • FrogPad
  • · Replies 4 ·
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4
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5

Proving Angle Sums in Cyclic Polygons: A Generalization Approach

  • Natasha1
  • · Replies 1 ·
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1

What Are the Intersections and Unions in Indexed Families of Sets?

  • merlan
  • · Replies 7 ·
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7

How Does Function Composition Affect Preimage Calculation?

  • r4nd0m
  • · Replies 4 ·
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4

Using Rolles Theorem on F(x)=x^2+3x on [0,2]

  • physics_ash82
  • · Replies 4 ·
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4

Intervals of Increase/Decrease, and concavity

  • scorpa
  • · Replies 7 ·
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7

Help with calculus problems 2 and 4

  • Shay10825
  • · Replies 7 ·
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7

Real and Imaginary Parts of z+(1/z) - Have I Got This Right?

  • kingyof2thejring
  • · Replies 2 ·
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2

Residue at a pole of non-integer order

  • emob2p
  • · Replies 4 ·
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4

Understanding Symmetry Groups of a Pentagon

  • Natasha1
  • · Replies 5 ·
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5

Linear independence of basis vectors

  • cappygal
  • · Replies 4 ·
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4

Real and imaginary parts of z+1/z

  • kingyof2thejring
  • · Replies 1 ·
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1

Solution by variation of parameters

  • asdf1
  • · Replies 4 ·
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4