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.
Finding the nth Derivative of Cosine Function
  • matematikuvol
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Find the inverse of the polynomial.
  • jrjack
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9
Differentiation under the Integral Sign
  • jakemf1986
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1
Stability of Critical Points in a System of DEs
  • fluidistic
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2
Integrating Log and Rational Functions
  • dirk_mec1
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25
How to find the roots of polynomial of a 5.th order
  • johny2012
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3
Show the iterates of tan(x)/2 converge to 0
  • razmtaz
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7
Find Max Gradient at P of z=2x^2+3y^2
  • savva
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2
Proving Uniqueness in Subspace Addition
  • TranscendArcu
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Defining the Direct Sum of Subspaces: Can It Be Defined When k=1?
  • gotjrgkr
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How to expand the span of a vector set in linear algebra?
  • wishnight
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3
Proving ∃x(P(x) → ∀y(P(y))): An Exercise in Logic
  • Syrus
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Equivalence Relation on ℝ: xRy if x≥y | Symmetry and Transitivity Explained
  • SMA_01
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Is this line integral correct?
  • Jamin2112
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Parameterize the intersection of the surfaces
  • andyk23
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10
Finding volume bounded by paraboloid and cylinder
  • iqjump123
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11
Critique my proof of the Arzela-Ascoli Theorem (with one question)
  • jdinatale
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1
Proving the Equality of Finite Cartesian/Cross Products for Sets A and B
  • kmikias
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1
Solve for x: x2+10x+38≥22 | Value of x
  • FlopperJr
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9
Finding instantaneous rate of change.
  • anonymous12
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3
Domain & Range of Inverse Function f-1: x≤0, y≤0
  • FlopperJr
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10
Proof of No Right Identity for Operation with Two Left Identities
  • Punkyc7
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4
Finding the average using integration
  • chris_0101
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2
Independant RV's and the Borel-Cantelli Lemmas
  • Firepanda
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4
From 000 to 999, probability exactly 1 digit is >5
  • Poopsilon
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6
Number Theory Problem: Proving (a,b)=1 if a|c and b|c
  • yeland404
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2
Characterizing Units in M_n(R) for Commutative Rings with 1
  • jgens
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4
Integration by parts evaluation
  • delapcsoncruz
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6
Linear Transformation Question: Solving for Im(T) in R^4 Dimension Space
  • stud
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1
Basic, but confusing, counting problem
  • Bre Ntt
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2
Applying Cantor's diagonalization technique to sequences of functions
  • jdinatale
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2
Stability of Stationary Solutions in a System of Differential Equations
  • fluidistic
  • · Replies 13 ·
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13
Proving Limit L for f(x) = x^4 with a = a
  • Miike012
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10
Differentiate with respect to x
  • ZedCar
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2
Nonhomogeneous linear differential equation
  • HACR
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1
Limits with sinx where x tends to infinity help.
  • quackdesk
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2
Prove a^(m+n) = a^m + a^n with mathematical induction
  • gluttony
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1
Extremely Tedious Math/Statistics Homework Question
  • number0
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2
Inductive Proof for use as proposition in paper
  • HermyTheCrab
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1
How to get one variable from one equation?
  • johny2012
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5
When the Product of Non-Squares is a Square
  • Kreizhn
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16
Showing that two intervals have the same cardinality ?
  • SMA_01
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2
What Are the Values of c for Continuity at x=5?
  • togame
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1
Why is it confusing to determine whether sets form subspaces in ℝ2?
  • kr0z3n
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5
SNRDB= 10*log10(SNR) -> log base 10SNR = 10.^(SNRDB/10)
  • hariyo
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2
Interpreting a PDE for Heat/Diffusion with Vanishing Neumann Boundary Conditions
  • PhDorBust
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1
Finding Critical Points: Where to Look and Why
  • appplejack
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2
Complex Numbers Circle Equation
  • jsi
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3
How to write the Fourier series up to Nth harmonic?
  • red009
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1
Solving linear differential equation
  • ArcanaNoir
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7
General solution to the differential equation
  • ZedCar
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2
Spherical Harmonics: Proving Y_L^M(0,phi)
  • Elliptic
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2
Linear Dependence and Subsets: Proving Linear Dependence in Sets of Vectors
  • TranscendArcu
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8
Integration of (x)/[(4-x^2)^0.5]
  • ZedCar
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What Are the Elements of the Quotient Group D4/N?
  • Felix542
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Transformation of Random Variables (Z = X-Y)
  • Applejacks01
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2
What is the Integral of (2)/(x^2 + 1)?
  • ZedCar
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4
How can I use integration by substitution to solve this problem?
  • spqr
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2
How to minimize the cost function
  • Kinetica
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5
Prove the number theory conjecture
  • yeland404
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2
How to determine convergence/divergence?
  • Kinetica
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2
What is the Taylor Series Approximation for f(x)=(x0.5-1)/0.5 and f(x)=(x-1)2?
  • Kinetica
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8
Use quadratic formula to solve a function
  • Kinetica
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1
Solution to Laplace's Equation: f = r^-n-1 * cos(n+1)θ
  • ibysaiyan
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Proof of Abelian Property of G Showing
  • Punkyc7
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1
Complex Analysis: Using polar form to show arg(z1) - arg(z2) = 2n*pi
  • I Love Math
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Estimation, bias and mean squared error
  • stukbv
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5
Calculation and Uniqueness of Smith Normal Forms
  • jj4
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Is the Limit Definition of a Definite Integral Correct?
  • GreenPrint
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4
Proving a Partial Differential Equation: Is the Sum of Second Derivatives Zero?
  • ibysaiyan
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8
Proving ln(x^2+y^2) is a Potential Function
  • bugatti79
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Calculus III - Multivariate limit problem
  • Jonmundsson
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3
Definite Integral of the Natural Log of a Quadratic using Riemann Sums
  • haackeDc
  • · Replies 16 ·
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16
Linear Independence and Intersections of Sets
  • TranscendArcu
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1
Differential Geometry, curve length
  • Stimpon
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1
Proving Union/Intersection/Difference Closure of Sigma-Algebras
  • Fredrik
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9
What are the eigenvalues of P(A)?
  • chocolatefrog
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1
Prove that f(x) = 0 for all x in [a, b]
  • Jamin2112
  • · Replies 2 ·
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2
Get Expert Help with Basic Integrals | General Formula and Practice Exercises
  • stud
  • · Replies 4 ·
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4
Does Subset Inclusion Imply Span Inclusion in Vector Spaces?
  • TranscendArcu
  • · Replies 2 ·
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Implicit exponential differentiation?
  • jrjack
  • · Replies 8 ·
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8
Maximizing the Isoperimetric Problem with Integral Constraints | MathWorld
  • HACR
  • · Replies 2 ·
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2
Solving a Differential Equation: Salt Concentration in a Tank
  • sam_0017
  • · Replies 1 ·
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Prove Disjoint Union of Countable Sets is Countable
  • the_kid
  • · Replies 3 ·
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3
How do you get from one to the other
  • SMOF
  • · Replies 8 ·
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8
Proof about an irrational number.
  • cragar
  • · Replies 6 ·
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6
Solving a Non-Linear System of Differential Equations
  • iqjump123
  • · Replies 7 ·
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7
Minimizing a Function: Finding the Optimal Value of a in f(a)
  • autre
  • · Replies 7 ·
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7
Parameterize part of a Parabola
  • getty102
  • · Replies 1 ·
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1
Dimension of a matrix vectorspace
  • Locoism
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1
Simplifying an ODE into explicit form
  • cooljosh2k2
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1
What is the method for solving the Gaussian integral?
  • Noorac
  • · Replies 7 ·
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7
Proving the Limit of a Sequence Math Problem with Continuous Function f(x)
  • HACR
  • · Replies 6 ·
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6
What Are the Relations Among Field Automorphisms in Galois Theory?
  • Kate2010
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1
Is N3 a Subgroup of Dihedral Group Dih(12)?
  • facepalmer
  • · Replies 6 ·
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6
Understanding Saddle Points in Partial Differentiation - Explained with Examples
  • ZedCar
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3
Understanding Differentiability of f at x = 0
  • Miike012
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2
Continuity of x*sin(1/x) at x=0
  • Miike012
  • · Replies 3 ·
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3
Calculus I - Line and extrema problem
  • Kaldanis
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6
Inverse Fourier Transform using complex variables
  • tjackson3
  • · Replies 6 ·
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6