Calculus and Beyond Homework Help Forum

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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.
Continuity With Piece Wise Functions
  • Michele Nunes
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How Do You Integrate tan^3(9x)?
  • watabi
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3
Calc BC derivative problem with trig and double angle -- Help please
  • jessieb128
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Is There a Positive Scalar That Can Make One Function Greater Than Another?
  • geoffrey159
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Showing that the mean of one number and its absolute val...
  • astrololo
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10
Optimization of ellipse surrounding a circle
  • TyroneTheDino
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8
Differentiating: Clarifying the Process
  • DiamondV
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4
Convolutions, Fourier coefficients
  • Incand
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What is limx-->0 f(x) when lim x-->0 g(x)=0?
  • lep11
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How Do You Solve the Isobaric Equation (x+y)dx - (x-y)dy = 0?
  • Mark Brewer
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Solving First Order Linear DEs: Methods and General Solutions
  • BOAS
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Exact Differential Equations for Level Curves of u(x,y) = cos(x^2-y^2)
  • Mark Brewer
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Derivative of a trigonometric function
  • Ocata
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Limit as X approaches ∞ of (X)(sin(1/X))
  • Michele Nunes
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Can I do this in this math problem/substitution Calc 2
  • Steebly
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Determining the limit for function of x and y
  • WK95
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Understanding Simplification of (e^t + e^-t)^2: Explained with Solution Pic
  • Marcin H
  • · Replies 16 ·
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Why a group is not a direct or semi direct product
  • DeldotB
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3
Implicit Function: Box Dimensions & Rates of Change
  • Physicsnoob90
  • · Replies 3 ·
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3
Indefinite integral and proving convergence
  • SteliosVas
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4
So the equation becomes u' + (1/x)u = x
  • masterchiefo
  • · Replies 9 ·
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9
Find eigenvalues and eigenvectors of weird matrix
  • dukemiami
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5
Disproving Existential Statement: n2+3n+2 is Prime for any Positive Integer n
  • Joseph1739
  • · Replies 9 ·
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Simplifying natural log of complex number
  • Sturk200
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Does the Integral from 8 to 666 of 1/((x^(1/3))-2) Converge or Diverge?
  • SteliosVas
  • · Replies 8 ·
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8
Does Convergence in the Mean Imply Ordinary Convergence?
  • squenshl
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Complex numbers - I'm sure this is an easy - Argand diagram
  • laura_a
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Prove ##f^{-1}(G\cap H)=f^{-1}(G)\cap f^{-1}(H)##
  • Potatochip911
  • · Replies 2 ·
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Showing two groups are *Not* isomorphic
  • DeldotB
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Matrix A and Vectors b & c in R^3: Solving Ax=b & Ax=c
  • Jen2114
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Analyzing PDE BVP for ut + ux = 0 with given boundary condition
  • Nicolaus
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Using the Second Isomorphism (Diamond Isomorphism) Theorem
  • DeldotB
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3
How Can Fourier Series Aid in Solving the Sinc Function Integral?
  • Incand
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Markov chain: finding a general solution
  • Christopher T.
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Divergence of Cross Product Relation
  • advphys
  • · Replies 3 ·
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Prove (Q/Z)/H is isomorphic to Q/Z
  • jackmell
  • · Replies 12 ·
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Inverse Laplace (stuck @ Partial Fraction)
  • Italo Campoli
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How to prove the following defined metric space is separable
  • L.S.H
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2
Can You Confirm My Fourier Series Calculation for a Square Wave?
  • BOAS
  • · Replies 8 ·
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Can Multiplying by Exp[x] Accidentally Solve a Differential Equation?
  • Crush1986
  • · Replies 10 ·
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Learning Differential equations, week 2 level material
  • SYoungblood
  • · Replies 4 ·
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4
My first exercise on Group Theory
  • sa1988
  • · Replies 7 ·
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Midpoint rule causing confusion
  • Lord Anoobis
  • · Replies 6 ·
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Self-adjoint boundary value (Sturm-Liouville)
  • Incand
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Consider the Gaussian Distribution....?
  • Destroxia
  • · Replies 4 ·
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4
Defining Continuity at the Origin
  • shanepitts
  • · Replies 1 ·
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Are Finite Families of Closed Sets Closed?
  • shanepitts
  • · Replies 7 ·
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Curve integral, singularity, and parametrization
  • S. Moger
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3
Lognormal distribution question
  • TooTall65
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Arclength parameter for a path with exponential and trigonometric functions
  • yango_17
  • · Replies 20 ·
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How do I solve these coupled Differential Equation?
  • baouba
  • · Replies 1 ·
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Probability Generating Functions Question
  • Tim 1234
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Solution to Coupled Second Order ODE's
  • QuantumLollipop
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Range & PMF of Y for X ∼ Geometric(1/3)
  • Jonobro
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AB=0 but A and B different from 0
  • bonildo
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Help with infinite sequences and series
  • suprajzturbo
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Laplace Transforms: Transfer Functions and Impulse
  • ConnorM
  • · Replies 4 ·
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Generating Function for Selecting Candies with Varying Quantities and Types
  • toothpaste666
  • · Replies 4 ·
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Buckingham Pi / Dimensional analysis
  • beth92
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Solve GAXPY Operations for Matrix A & Vector x
  • lolittaFarhat
  • · Replies 5 ·
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Parametric Surfaces Homework Help
  • goonking
  • · Replies 9 ·
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9
MATLAB Convolution: Finding the Convolution of Two Functions with Step Inputs
  • Les talons
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Keep getting the wrong answer in this lengthy Laplace problem
  • Jonas E
  • · Replies 8 ·
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Calculating Matrix Representation of Linear Function in New Basis
  • squenshl
  • · Replies 7 ·
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Can curvature ever be greater than at relative extremum?
  • WK95
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Linear Algebra Proof involving Linear Independence
  • RJLiberator
  • · Replies 7 ·
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7
Finding the Limit of Curvature for a Polar Curve
  • WK95
  • · Replies 6 ·
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Minimum Number of Coin Flips for Probability Assertion
  • toothpaste666
  • · Replies 4 ·
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Find the parameters of a curve (differential geometry)
  • Dassinia
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Find value of K for differential equation to be exact
  • masterchiefo
  • · Replies 10 ·
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Prove Sup S = c: Step-by-Step Guide
  • HaLAA
  • · Replies 8 ·
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Proof: [itex]1\neq m\in\mathbb{N}, m-1\in\mathbb{N}[/itex]
  • nuuskur
  • · Replies 8 ·
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8
Homogeneous differential equation - serious help
  • masterchiefo
  • · Replies 7 ·
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7
Linear Algebra -- Is this a basis?
  • RJLiberator
  • · Replies 10 ·
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10
Is the Curve C Regular for Different Values of d and r?
  • Dassinia
  • · Replies 6 ·
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6
Proving Polytopes: Simplex, Cube, & Octahedron
  • squenshl
  • · Replies 15 ·
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Proving that the natural numbers are countable, stuck.
  • jack476
  • · Replies 8 ·
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Function Composition of Multivariate Functions
  • Prof. 27
  • · Replies 2 ·
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Laplace Transforms: Transfer Functions, and IVT/FVT Problems
  • ConnorM
  • · Replies 1 ·
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Power series where radius of convergence > lower limit
  • Risborg
  • · Replies 5 ·
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2nd order approx. of barrier function
  • FOIWATER
  • · Replies 2 ·
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Looking for tighter bound on symmetric PSD matrices products
  • Yossi
  • · Replies 1 ·
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Question regarding a derivative
  • in the rye
  • · Replies 5 ·
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What is the Interpretation of a Tensor?
  • S. Moger
  • · Replies 2 ·
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What Is the Equation of State Given Compressibility and Expansivity Relations?
  • NucEngMajor
  • · Replies 1 ·
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Illustrating Linear Transformation: Sketches for T
  • yango_17
  • · Replies 5 ·
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How to find the equation of this tangent?
  • Jeanclaud
  • · Replies 8 ·
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Linear Transformation: Converting Between Canonical and Basis Representations
  • Victor Feitosa
  • · Replies 9 ·
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Convergence and Cauchy Criterion
  • andyfeynman
  • · Replies 1 ·
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Proving ∫xn⋅(ax+b)½ using Integration by Parts | Integral from Apostol
  • Ted13
  • · Replies 9 ·
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Bernoulli differential equation, Cauchy problem
  • nuuskur
  • · Replies 3 ·
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Limit of a Difference of Rational Functions
  • arpon
  • · Replies 2 ·
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Integration using Leibnitz theorem
  • Titan97
  • · Replies 19 ·
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Calculate integral sin(x)/x^0.1dx from pi to infinity
  • tub08918
  • · Replies 2 ·
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What Project Ideas Combine Differential Equations and Astrophysics?
  • SYoungblood
  • · Replies 3 ·
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Word problem two ships departing -- One north the other west....
  • Niaboc67
  • · Replies 9 ·
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Graph Theory and Function Problems
  • B3NR4Y
  • · Replies 3 ·
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How Do De Morgan's Laws Apply to Set Theory Proofs?
  • Potatochip911
  • · Replies 13 ·
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Proving the Contracted Epsilon Identity
  • BOAS
  • · Replies 12 ·
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Linear Algebra - Linear Operators
  • Victor Feitosa
  • · Replies 7 ·
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7