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.
Characteristic function of z (Joint?)
  • Grobo
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Trigonometric proof using derivatives
  • Pole
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Integral involving trigonometric functions.
  • Blandongstein
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Calculating Poles and Residues of a Z Transform by Hand
  • Evo8
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Proving the Equivalence of Power Sets: A Challenge in Bijection
  • issacnewton
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7
Contour Integral and Cauchy's residue theorem
  • Ted123
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6
Calculate Outward Flux Through a Sphere
  • DryRun
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2
Solve Predator-Prey System: Find Constant Solution
  • stripes
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Calculating using Direct and Green's Theorem
  • bugatti79
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2
Integration of quotient: Finding the Right Substitution
  • DryRun
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Magnitude of Cross Product Mismatch
  • 4570562
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Currently my class it calculating volumes of solids by rotating them
  • Miike012
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Equation of Tangent Line for a 2D Curve
  • ArcanaNoir
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22
Flux Calculation for Vertical Cylinder with Top Cut Off
  • DryRun
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15
Need Help with Elementary integral derivation.
  • FriendlyHippo
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3
Independence of path of line integral
  • DryRun
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12
Inverse Trig Function: Find Derivative of the Function
  • chapsticks
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11
Induction to prove an expanded integral
  • skoomafiend
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12
Evaluate using divergence theorem
  • DryRun
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6
Understanding Stationary Points: Saddle, Max, or Min?
  • ibysaiyan
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2
Nondimensional substitutions for Insect Outbreak Model
  • Dustinsfl
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3
Do I Use the Binomial or the Negative Binomial?
  • number0
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2
Why is this a linear differential equation?
  • SMA_01
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3
Modeling Population Growth Using Separation of Variables
  • Dustinsfl
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13
Equation for this graph - Mathematica
  • caleytm
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1
Infinite sum of heviside functions
  • erezb84
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Calculating the holonomy on a sphere
  • demonelite123
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3
Volume of Solid: Use Horizontal Rec?
  • Miike012
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3
Calculating Area: Horizontal or Vertical Rec?
  • Miike012
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4
Optimizing Fish Swimming Energy: Finding Minimal Expenditure
  • girlygirl93
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4
Area of Isosceles Triangle Problem
  • Jimbo57
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Intense trigonometric question
  • newchie
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8
Abstract Algebra: Parity of a Permutation
  • Abraham
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2
Inverse Trigonometric Problem Solve equation for x
  • chapsticks
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4
Time to Travel to One Infinity and Back?
  • royblaze
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5
Solving Definite Integral Problem: ∫3,6(2f(x)−3)dx=12
  • lab-rat
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Finding λ in an Exponential Equation: A Scientific Approach
  • annalise17
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3
How Do You Apply the Quotient Rule to Differentiate (x-1)^2/(x+1)^2?
  • Nitrate
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3
The energy required by a fish swimming at speed v to travel a distance
  • girlygirl93
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Derivative of |sinx|: Solving Homework Problem
  • PirateFan308
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Show the integral of dx/(1-x^2/a^2)
  • chris_0101
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Integral question: Product to Sum Angle Formula for Trigonometric Functions
  • Kuma
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So, the question is, which equation are you really interested in?
  • bmed90
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Fundamental Theorem of Calculus Pt 2, multivariable integration?
  • mleeno
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Subspace theorem problem (matrix)
  • NewtonianAlch
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9
Calculus: Modelling and Optimization
  • mathmonster
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1
Linear maps (rank and nullity)
  • NewtonianAlch
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4
A field that is an ordered field in two distinct ways
  • BrendanH
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1
Permutations combinatorics problem?
  • SMA_01
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1
Integral for Multiple Natural Logs
  • Dragon M.
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1
Showing Uniqueness of Elements of a Vector Space
  • TranscendArcu
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10
Splitting fractional expression into real/imaginary parts
  • Millertron
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4
Hyperbolic functions/integration
  • Zoe-b
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8
Linear Differential Equation to solve?
  • abrowaqas
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2
Proving N-th Root of Unity: e^{\frac{2k\pi i}{n}}
  • autre
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Rate of change in an Isosceles triangle
  • Econguy
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5
Verify the Product Rule for cross products
  • andyk23
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Is this complex set S a domain?
  • hadroneater
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Circle Inversion Mapping: Proof of w = 1/z Transforming |z-1| = 1 to x = 1/2
  • hadroneater
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Instantaneous rate of change [Trig]
  • anonymous12
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Simple Derivation giving me a headache.
  • Jimbo57
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Trig substitution integral (I hope)
  • ArcanaNoir
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System of DE's, pray/predator model
  • fluidistic
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6
How long does it take for a stone thrown from a bridge to hit the water below?
  • Nitrate
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Integration problem : Beta function related
  • Alhussein
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4
Laplace transform of a matrix exponential
  • A_B
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Relative Error of Right Triangle Area
  • Jimbo57
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Surface Integral of an Inverted Paraboloid with Radius 2 and Height 4
  • DryRun
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Rate of change of separation distance
  • mishima
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6
Computing antiderivatives (integration)
  • Nitrate
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What is the missing function in this trigonometric proof?
  • matthewd49
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Using Green's theorem to evaluate
  • DryRun
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5
Equation of a plane in R4 from three points
  • Easy_as_Pi
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4
Proving me ? partial orders :hasse diagrams
  • rami070
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4
Probability Jim & John Not Sequential: Fundamentals of Probability
  • acme37
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6
Why Is My Solution to Newton's Law of Cooling Equation Incorrect?
  • animboy
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Infinite intersection of open sets in C that is closed
  • autre
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1
Important Integrals: List & Where to Find Them
  • Miike012
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1
Decomposing a Matrix into Jordan Normal Form
  • PirateFan308
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Inductive proof in complex arithmetic
  • Dr. Seafood
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9
What is the area enclosed by the curves y=√x, y=1/2x, and x=25?
  • Gundown64
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Substitution method with Integration by Parts?
  • csinger1
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Taking the derivative of a function (looks easy but I don't know how to do it)
  • appplejack
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Subrings of Real numbers which are discrete
  • Theorem.
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Finding the indefinite integral
  • csc2iffy
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Double Counting Proof of Combinatorial Equation: n,k $\in$ $\mathbb{N}$, n > k
  • tylerc1991
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Find the area between two curves.
  • Miike012
  • · Replies 1 ·
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Proof involving the mean value theorem and derivatives
  • imurme8
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6
There is a series of ODE problems I can't understand
  • kikko
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7
Maximizing Intersection Points in a Circle: Geometry Math Problem Solution
  • foxofdesert
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3
L'Hopital Limit with rational exponent
  • crybllrd
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Any help will be appreciated assuming a pretty easy integral
  • IntegrateMe
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7
Green's, Gauss divergence and Stoke's theorems
  • DryRun
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1
Mathematics of Data Management - Probability distributiono
  • zyQUza0e5esy2
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Tough Math problem, above my head, any help much appreciated.
  • Trevormbarker
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Derivative of the inverse of sin(1/x)
  • Silversonic
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1
How to Optimize Cone Volume with Given Slant Height?
  • girlygirl93
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Stationary Point after Partial Differentiation
  • ZedCar
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1
Subsequence of a cauchy sequence in R
  • autre
  • · Replies 13 ·
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13
Identifying Subspaces and Subspace Addition
  • TranscendArcu
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1