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.

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Solving a Simple Equation with Four Solutions

  • skrat
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3

Differential Equations - first order

  • FaraDazed
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4

Probability of RSI and eye strain in archers

  • ivan_x3000
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5

How do partial fractions multiply out?

  • Jameseyboy
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Binomial Distribution: Finding the number of trials

  • Dommm
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2

Real integrals using complex analysis

  • skrat
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2

Limit of (x²y)/(x⁴ + y²) as (x,y) → (0,0)

  • physics=world
  • · Replies 15 ·
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15

Surface integrals - parametrizing a part of a sphere

  • Feodalherren
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3

Roots of the Following Series in the Complex Plane

  • The Wanderer
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6

Telescoping series sum evaluating to pi/3 instead of -pi/6

  • student93
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Partial Fractions in Laurent Series Expansion

  • tadf2
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4

Find a Basis B for the subspace

  • mpittma1
  • · Replies 7 ·
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7

Representation of two relation matrices

  • Panphobia
  • · Replies 7 ·
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7

How to equate logical statements

  • Zrpeip
  • · Replies 1 ·
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Integration including unit vectors

  • ForTheGreater
  • · Replies 9 ·
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9

Row Reduction to solve for 6 Unknowns

  • Yosty22
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Alloy composition from component densities (Lagrange Multipliers)

  • JasonB
  • · Replies 7 ·
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7

Expressing the Wi-Fi interference problem as an integer program

  • brojesus111
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12

Chain Rule of a functional to an exponential

  • BreathingGloom
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3

Finding two tangents to the ellipse 2x² + 7y² = 14 from point (5,2)

  • smart_worker
  • · Replies 11 ·
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11

Prove that C[a;b] satisfies 8 axioms of vector space

  • sheldonrocks97
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Solving 840 + 1.5v^2.4 - 3.6v^1.4 = 0

  • Elpinetos
  • · Replies 4 ·
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4

Hey where do i begin with this complex polynomial question?

  • ivan_x3000
  • · Replies 12 ·
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12

Why Does This Summation Equality Hold?

  • WK95
  • · Replies 14 ·
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14

Graph Theory: Extremal Problem

  • Mellete
  • · Replies 1 ·
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When to use Cauchy's integral formula vs residue theorem?

  • skrat
  • · Replies 5 ·
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5

Difficult simplification for Arc length integral

  • nicnicman
  • · Replies 5 ·
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5

I wish I could manipulate universal quantifiers better

  • Atomised
  • · Replies 4 ·
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4

Combinatorics: 1= ((n+k)Cr)*((1/2)^(n+k)) from k = 0 to n

  • nomadreid
  • · Replies 25 ·
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25

Delta/epsilon two variable limit

  • iRaid
  • · Replies 8 ·
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Why can't x exceed j+1 in the intersection of intervals [j, ∞)?

  • Atomised
  • · Replies 16 ·
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16

Linear system of equations with non-trivial solutions

  • converge
  • · Replies 2 ·
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2

Finding k such that n^k a_n has finite limit for a_n=(6+3n)^-7

  • cathy
  • · Replies 25 ·
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25

Solving Partial Differential Equations: Strategies and Techniques

  • aaaa202
  • · Replies 2 ·
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2

De Moivre-Laplace theorem with large lambda values

  • 2sin54
  • · Replies 4 ·
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Conformal mapping of an infinite strip onto itself

  • DeadOriginal
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Continuously differentiable function

  • Lee33
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Differentiation of vector function(explanation of solution)

  • negation
  • · Replies 7 ·
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7

Doppler effect formulas at low speeds with Taylor expansion

  • tssuser
  • · Replies 3 ·
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3

Can someone explain this equality to me (complex variables)

  • richyw
  • · Replies 2 ·
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2

Help integrating 1/(cosh(z)+1)

  • Jarfi
  • · Replies 6 ·
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6

Find region for which F(x,y) = (x+y)^2 is Lipschitz in y

  • jamesb1
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3

Green's theorem orientation for circulation around circle

  • Feodalherren
  • · Replies 3 ·
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3

Rotation linear transformation

  • negation
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Summation Convention for 2 Vectors

  • BHL 20
  • · Replies 5 ·
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5

How to calculate this inverse Fourier Transform?

  • Nat3
  • · Replies 12 ·
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12

Calculate real integrals using complex analysis

  • skrat
  • · Replies 1 ·
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1

Laurent series of 1/(z²-1) in three regions

  • richyw
  • · Replies 7 ·
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7

Unitary matrix and preservation of vector norm in arbitrary basis

  • D_Tr
  • · Replies 2 ·
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2

Can sum or product of functions have a limit if neither function does?

  • ythamsten
  • · Replies 4 ·
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Problem with unknown functions in integrals

  • pat804
  • · Replies 5 ·
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Rotate Plane: Transform z=b-y to Horizontal Plane

  • julz127
  • · Replies 3 ·
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Differential equation with Fourier Transform

  • skrat
  • · Replies 10 ·
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Solving ODEs Using Laplace: Two Challenging Problems

  • sandpants
  • · Replies 8 ·
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8
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Finding Integrals: ∫ (5x^2 + sqrt(x) - 4/x^2) dx

  • Mathsishard123
  • · Replies 7 ·
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Find the area of the loop using Green's Theorem

  • coolusername
  • · Replies 3 ·
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3

Solve Series Convergence Problem: Find Sum

  • Yae Miteo
  • · Replies 1 ·
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Why is lim f(x)×g(x) indeterminate when f(x)→∞ and g(x)→0?

  • negation
  • · Replies 10 ·
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10

Show that differentiable curves have measure zero in R^2

  • Demon117
  • · Replies 8 ·
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8

How do I solve differential equation?

  • skrat
  • · Replies 10 ·
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10

Type II error hypothesis question

  • theBEAST
  • · Replies 1 ·
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How Accurate Is the Ninth Partial Sum of an Alternating Series?

  • syeh
  • · Replies 1 ·
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1

Find P and C such that ##A=PCP^{-1}##

  • STEMucator
  • · Replies 4 ·
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Finding the volume using spherical coordinates

  • Temp0
  • · Replies 4 ·
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4

Is f(x,y) = x²/y a linear transformation?

  • negation
  • · Replies 7 ·
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Differential equation right hand function

  • Doubell
  • · Replies 4 ·
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4

Using Integral Substitution to Solve a Challenging Integration Problem

  • chemphys1
  • · Replies 3 ·
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3

Integrating a Taylor Expansion with Limits: Finding the Exact Value

  • chemphys1
  • · Replies 3 ·
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3

Find matrix corresponding to Linear Tranformation (Orth. Projection)

  • nlykkei
  • · Replies 7 ·
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7

Find a Matrix P that diagonalizes A

  • mpittma1
  • · Replies 1 ·
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Rearrange Euler's identity to isolate i

  • Gondur
  • · Replies 2 ·
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Find area of the region bounded by the circular arc in 1st Quadrant

  • coolusername
  • · Replies 7 ·
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7

Volume of a solid using disks/washers

  • toothpaste666
  • · Replies 6 ·
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6

Simple Linear Transformation: Proving Linearity with (1,1) Vectors

  • negation
  • · Replies 5 ·
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5

What is the span of {(1; 1; 0),(0; 0; 2)}?

  • negation
  • · Replies 3 ·
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3

What Is the Locus of z If |(z+1)/(z-1)|=2?

  • ps3stephen
  • · Replies 2 ·
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2

Spherical surface area element

  • binbagsss
  • · Replies 5 ·
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Show that T is a contraction on a metric space

  • phosgene
  • · Replies 2 ·
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2

Limit of cos(x)/x and sec(x)/x

  • Jhenrique
  • · Replies 6 ·
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Explicit formula for a convergent series

  • trulyfalse
  • · Replies 1 ·
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Finding change in altitude, and speed in x direction and y direction

  • yazz912
  • · Replies 5 ·
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5

Roots of a squared polynomial ( complex numbers)

  • Axe199
  • · Replies 4 ·
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4

Integral of trigonometric substitutions

  • Jhenrique
  • · Replies 12 ·
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12

Finding the Limit of a Function: Sin(x)/x as x->0

  • negation
  • · Replies 2 ·
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2

Is vector AP parallel to u = (1,4,-3)?

  • negation
  • · Replies 36 ·
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Find all solutions of given equation and draw them

  • skrat
  • · Replies 14 ·
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14

Proving ac < bd: Inequality Proof

  • Kzmo
  • · Replies 8 ·
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8

How to Solve f(x)=y for x in Different Cases

  • Panphobia
  • · Replies 7 ·
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Explanation as regards range and domains

  • negation
  • · Replies 12 ·
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12

What Shape Do the Characteristic Curves of This PDE Form?

  • jimmycricket
  • · Replies 1 ·
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1
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4

Example of For every b ∈ R7, the system ATx = b is consistent

  • negation
  • · Replies 3 ·
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Finding the limit of (3^x+4^x)/7^x as x approaches infinity

  • student93
  • · Replies 1 ·
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Proving convergence of a series without knowing the sum

  • student93
  • · Replies 3 ·
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Proof of bijection of a function

  • Panphobia
  • · Replies 2 ·
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Difficult G.P. Problem from a Difficult Math Book

  • z.js
  • · Replies 1 ·
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Proving |abs(x)-abs(y)|≤|x-y|

  • lilli-baba
  • · Replies 3 ·
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Finding the general term of a series to determine convergence

  • student93
  • · Replies 9 ·
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9