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

Reflection of R^2 about a line y=mx using change of basis

  • quasar_4
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Matrix Representation of a Linear Map

  • playboy
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8

Are kernels and images preserved under row reduction?

  • Tonyt88
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2

Positive integral implies bounded below?

  • kirstin.17
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8

Logistic Equation Calculus Question

  • saralsaigh
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3

Plane containing first line and perpendicular to second line

  • Yann
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5

Kernal and Range (share zero vector?)

  • Mindscrape
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13

Arc length of y=(e^x+e^-x)/2 from x=0 to x=ln4

  • John O' Meara
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13

Solving the Winch Problem at 12m High

  • dontdisturbmycircles
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5

"Proving Nilpotent Element in R has Unique Solution

  • rookandpawn
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1

How Do Units and Zero Divisors in Rings Relate?

  • rookandpawn
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5

Calculating x-Coordinate Change of Moving Particle

  • Rasine
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6

Solving Integrals with Even Powers of Trigonometric Functions

  • alba_ei
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3

How Is the Critical Radius Determined in Nuclear Chain Reactions?

  • vengeance123
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2

How to Find Fourth Roots of a Complex Number?

  • Xeract
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1

First order ODE initial value problem

  • Shade
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5

Does f(x) have to be in the ternary Cantor set?

  • mkkrnfoo85
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3

Find Plane Tangent to Surface at (-1/4, 1/2, 2)

  • Peach
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5

Easy Integration: Finding Flux of a Sphere Surface | Double Integral Help

  • JaysFan31
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1

How to Find an Upper Bound for Derivative Error in Lagrange Formula

  • brunie
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1

Integrate 1/(1-x²)^(3/2) using the table formula

  • mwaso
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2

How Do You Integrate e^|x-5| Over Different Intervals?

  • barksdalemc
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1

Quick Calculus Midterm Question: Understanding Simplification Errors

  • justine411
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2

Partial differential equations with laplas

  • jd1828
  • · Replies 2 ·
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2

Solving for x in k=(x)ln(x): A Daunting Task

  • Ja4Coltrane
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1

Question on limits used in triple integral for volume of a sphere

  • redpen
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2

Antidifferentiation for a larger problem

  • nealh149
  • · Replies 12 ·
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12

What is the work required to pump water from a cylinder?

  • -EquinoX-
  • · Replies 10 ·
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10

Number Theory: Chinese Rem. Thm. - Designing a numbering system

  • mattmns
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1

Complex Analysis Proof of Constant Function

  • moo5003
  • · Replies 4 ·
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4

Proving t_n > x when limit of convergent sequence exceeds x

  • chocok
  • · Replies 6 ·
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6

Finding Gradient Vector of f(x,y,z) = 2*sqrt(xyz) at Point (3,-4,-3)

  • kasse
  • · Replies 3 ·
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3

How do I solve this integral?

  • transgalactic
  • · Replies 16 ·
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16

If S is a subspace of V, is S⊥ ⊇ V⊥?

  • bodensee9
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1

Does the integral of (x²+1)/(x³+3x+2) from 1 to infinity converge?

  • Jacobpm64
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6

How do you write equations in a single sine function?

  • princiebebe57
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1

Complex number modulus, argument, and powers of z and w

  • erpoi
  • · Replies 12 ·
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12

Are You Correctly Solving a Definite Integral with an Arcsine Function?

  • fizzzzzzzzzzzy
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1

Repeatedly 'cosine'ing a number: convergence

  • ChaoticLlama
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1

Initial value problem with separable differential equation

  • Nayr
  • · Replies 6 ·
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6

Will These Integrals Converge or Diverge as x Approaches Infinity?

  • Jacobpm64
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3

Integration of x/√(4+x²) from 0 to 2 using substitution

  • John O' Meara
  • · Replies 9 ·
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9

Topology, defn of a nowhere dense set in a metric space

  • rourky
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2

Finding hyperbola points where sum of distances to foci equals 6

  • transgalactic
  • · Replies 12 ·
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12

Polynomial graphing with restricted domain

  • Ishtar
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2

Differential equation nonzero value problem

  • Gauss177
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Impossible solving for a variable?

  • student85
  • · Replies 12 ·
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12

Linear Independence and Spanning

  • Jack Nagel
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1

Applying Cauchy Integral Theorem to Compute Integrals over Circular Paths

  • moo5003
  • · Replies 1 ·
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Finding F'(x) for Square Root of x

  • MattsAli1108
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2

Law of Sines Proof w/ Vector Calculus

  • jimmythegent
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2

How to Solve for x in ln(x) + x = 10: Quick and Easy Method

  • j3n
  • · Replies 6 ·
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Integration with a rational expression

  • Rawr
  • · Replies 5 ·
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5

Finding a forum for analytic geometry questions

  • transgalactic
  • · Replies 1 ·
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1

Writing the equations of a surface of revolution

  • ^_^physicist
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1

Cartesian to polar conversions

  • rcmango
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2

Trig substitution (integration)

  • joess
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3

Find the hydrostatic force on one end of the trough

  • Gauss177
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1

How to integrate dx/(√x(x+1)) from 1 to 3

  • Aerosion
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2

Work problem. Right answer, wrong units

  • tony873004
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2

How to Solve a Challenging Physics Problem with Proportional Acceleration?

  • SheldonG
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2

Property of characteristic polynomial

  • pwhitey86
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1

How to convolve h[n] = δ(n) + δ(n-1) with itself

  • FrogPad
  • · Replies 2 ·
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2

How do I integrate 1/(x^2-1)?

  • fizzzzzzzzzzzy
  • · Replies 10 ·
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10

What are the derivatives for log(x) and arctan(x)?

  • rcmango
  • · Replies 1 ·
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Apostol exercise 7 page 64: floor function summation

  • HamishMc
  • · Replies 4 ·
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4

Proving the Three-Component Formula for Fluid Mechanics Forces

  • dopey9
  • · Replies 2 ·
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2

INtegration by substitution followed by parts:

  • O.J.
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7

Using differentiation to prove

  • casey123
  • · Replies 3 ·
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3
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3

Hessian Matrix\Max Min Analysis, Eigenvalues etc

  • alec_tronn
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1

Solving a System of Linear Equations with Limited Information

  • Jack Nagel
  • · Replies 3 ·
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3

Partial differentiation (maximize

  • kasse
  • · Replies 8 ·
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8

Finding y'' for Implicitly Differentiated x^4+y^4=1

  • needhelpplz
  • · Replies 5 ·
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5

Finding basis for vectors perpendicular to both v1 and v2 in 4D

  • EvLer
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1

Finding dy/dx for y = 2x/(1+x^2)^2 using the chain rule

  • asd1249jf
  • · Replies 5 ·
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5

How Do You Calculate Area and Volume for Region R Bounded by Specific Functions?

  • needsomehelpinc
  • · Replies 9 ·
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9

What is the definision of lan transformans

  • transgalactic
  • · Replies 2 ·
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2

Topology, Int(A) is an open set

  • rourky
  • · Replies 4 ·
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4

What is the volume of this tree using integral?

  • -EquinoX-
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1

Family of orthogonal trajectories for a vertical parabola

  • DaConfusion
  • · Replies 5 ·
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5

Sum of superadditive functions

  • jetoso
  • · Replies 2 ·
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2

Double integration for an integral problem

  • Ami
  • · Replies 10 ·
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10

Finding matrices A and b for given solution form x = [1 2 0] + w[1 3 1]

  • bodensee9
  • · Replies 3 ·
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3

Solving a Postfix Expression: ABCD+*/E- Tree

  • Bucs44
  • · Replies 4 ·
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4

Solve Inverse Matrices: 2x2, 3x3, and More - Easy Steps!

  • CRTNY
  • · Replies 8 ·
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8

Integration by parts with my work

  • mpgcbball
  • · Replies 1 ·
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1

Finding Area of Circle and Cardoid Intersection

  • rcmango
  • · Replies 3 ·
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3

Proving the Oplus Symbol: A, B, C, D Sets - Solving the SETS Problem

  • majeedh
  • · Replies 9 ·
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9

Solution of a first order ODE.

  • sigmund
  • · Replies 8 ·
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8

First 4 iterates using Picard's iteration for dx/dt = -tx

  • manttiz
  • · Replies 3 ·
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3

Finding the Inverse of a Quadratic Function

  • unique_pavadrin
  • · Replies 16 ·
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16

Finding the derivative of (8x⁴-5x²-2)/(4x³)

  • Raza
  • · Replies 3 ·
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3

Prove cos(nπ + x) = (-1)^n cos(x) by induction

  • theperthvan
  • · Replies 8 ·
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8

Probabilities of Unfair Coin Flipping

  • opticaltempest
  • · Replies 1 ·
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1

Integrating 5e^(5x)*sin(e^(5x)) by substitution

  • Aerosion
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2

Are g(x) and f(g(x)) both onto?

  • zaczhou
  • · Replies 1 ·
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1

What is the difference between d^2y/dx^2 and dy^2/dx^2?

  • Dr Game
  • · Replies 28 ·
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28