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

Solving a system in terms of intersecting planes

  • Tonyt88
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2

Order of linear homogeneous recurrence relation a(n) = 2na(n-1)

  • Bucs44
  • · Replies 4 ·
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4

Finding elements of K in S7 and drawing its lattice diagram

  • rbzima
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1
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12

Understanding Cross Product Derivatives for Vector Functions

  • kap361
  • · Replies 3 ·
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3

Finding a Value of c to Make RHS a Perfect Square of x

  • Logarythmic
  • · Replies 8 ·
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8

Integtrating secant and tangent

  • Aerosion
  • · Replies 3 ·
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3

What are the possible values of dimS for a given vector x in R^4?

  • EvLer
  • · Replies 5 ·
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5

Algebriac Structures,hom wrecker

  • happyg1
  • · Replies 6 ·
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6

Proving rank(AA^T) = rank(A) for square matrices

  • MathematicalPhysicist
  • · Replies 5 ·
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5

What is the derivative of the function?

  • elton_fan
  • · Replies 3 ·
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3

Finding the Local Maximum Point for f(x)=xe^(-ax)

  • Joza
  • · Replies 9 ·
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9

Show that the Bisection Method converges to

  • GTdan
  • · Replies 6 ·
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6

Volume of Revolution: y=5, y=x+4/x; x=-1

  • mace2
  • · Replies 2 ·
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2

How to find bases for subspaces

  • quasar_4
  • · Replies 5 ·
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5
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4

What is the area between curves y = x^2 and y = 2/(x^2+1)?

  • tony873004
  • · Replies 12 ·
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12

Hydrostatic force on water tank problem

  • Gauss177
  • · Replies 4 ·
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4
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4
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2

Taylor polynomials for multivariable functions

  • SomeGuy
  • · Replies 2 ·
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2

Given that f(x)=sin(2x), find x such that f(2x+1)=1

  • unique_pavadrin
  • · Replies 12 ·
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12

If f squared is a polynomial, must f be a polynomial?

  • AKG
  • · Replies 5 ·
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5

Find where cos(x) and sin(2x) intersect between 0 and π/2

  • tony873004
  • · Replies 4 ·
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4

Probability Problems: P(X≤15)=0.3, P(15<X≤24)=0.6, P(X>20)=0.5

  • Mesmer
  • · Replies 3 ·
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3

Solving the Int. of Sec^3x Tan x: What is Correct?

  • tony873004
  • · Replies 4 ·
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4

How to find if eq is linear or non linear

  • koolrizi
  • · Replies 10 ·
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10

Calculating Probability of Even Numbers with Loaded Die

  • Bucs44
  • · Replies 6 ·
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6

Using Zorn's lemma to prove any two sets are comparable by cardinality

  • Tom1992
  • · Replies 15 ·
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15

Integration bounds when integrating a half sphere

  • ultimateguy
  • · Replies 12 ·
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12

How Do You Prove a Group is Abelian?

  • rbzima
  • · Replies 14 ·
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14

Solving Change of Variables for Triangular Region

  • bodensee9
  • · Replies 1 ·
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1

Weighted Least Squares Fit for Statistical Analysis of Data

  • Logik
  • · Replies 3 ·
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3

Jacobian Transformations for Evaluating Integrals with Inequalities

  • bodensee9
  • · Replies 10 ·
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10

I really don't get the substitution rule

  • tony873004
  • · Replies 8 ·
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8

Does the series ∑(2^(1/n)−1) converge?

  • egwin
  • · Replies 4 ·
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4

Tank Mixing Problem - Just for Fun if you'd like to spend time on it

  • rbzima
  • · Replies 2 ·
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2

How Does Time Interval Affect Average Velocity in Projectile Motion?

  • afcwestwarrior
  • · Replies 8 ·
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8

Solving for Delta: √4x-1 - 3 < .5

  • afcwestwarrior
  • · Replies 1 ·
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1

Why does my integral of secant give -tan(x) when differentiated?

  • Sisyphus
  • · Replies 8 ·
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8

Finding Unique Vector Representation

  • quasar_4
  • · Replies 2 ·
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2

Velocity Problem: Find Avg. Velocity for t=2

  • xviddivxoggmp3
  • · Replies 3 ·
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3

Rationalizing Square Roots: 27+9t-3t-t^2/9-3t^2-3t+t

  • afcwestwarrior
  • · Replies 5 ·
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5

Show this is a projection on a vector space

  • JaysFan31
  • · Replies 1 ·
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1

Determining Convergence/Divergence

  • aFk-Al
  • · Replies 5 ·
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5

Find Volume Using Cylindrical Coordinates

  • bodensee9
  • · Replies 1 ·
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1

Integration by Parts: Evaluate ∫ 1 ÷ (16 + x2) dx

  • Christina-
  • · Replies 5 ·
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5

Solve A: Evaluating L'Hospital's Rule for k→0

  • glid02
  • · Replies 2 ·
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2

Probability Theory - conditional

  • FrogPad
  • · Replies 1 ·
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1
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5

Integration by Parts with a Touch of Trig

  • NdrSiege
  • · Replies 8 ·
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8
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2

Calculating Raindrop Radius at Different Times Using Integration

  • snowJT
  • · Replies 8 ·
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8

Continuity and Differentiability of g Defined by Integrals

  • kingwinner
  • · Replies 7 ·
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7

Solving the Wave Function Integral with cos(n*pi)

  • Moneer81
  • · Replies 4 ·
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4

How do I multiply the power series for e^x and arctan(x)?

  • mkienbau
  • · Replies 4 ·
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4

Triple Integrals: Evaluating ∫∫∫6xydV

  • bodensee9
  • · Replies 2 ·
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2

Surface Area Problem: Find Area of Paraboloid Cut by Plane y=25

  • bodensee9
  • · Replies 1 ·
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1

How Do You Calculate the Sum of This Geometric Series?

  • rcmango
  • · Replies 7 ·
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7

Integrating x^2tan x+y^3+4 over Area Symmetric

  • bodensee9
  • · Replies 3 ·
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3

Fluid force on a square plate dipped with vertex at surface

  • dean_travers
  • · Replies 1 ·
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1

Does the series of cos(π/n) converge?

  • rcmango
  • · Replies 8 ·
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8

Rewrite (p → (q → r)) ↔ ((p ∧ q) → r) using logical equivalences

  • mkienbau
  • · Replies 2 ·
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2

Series: estimate sum within .01

  • rcmango
  • · Replies 3 ·
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3

Set theory and proof problems: contradiction, contrapositive, set identities

  • Chopkilla
  • · Replies 1 ·
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1

Prove beta function formula B(a,b) using gamma functions

  • cepheid
  • · Replies 2 ·
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2

Finding sets, listing sets (discrete math)

  • Chopkilla
  • · Replies 2 ·
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2

Converge absolutely or conditionally, or diverges?

  • rcmango
  • · Replies 6 ·
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6

Learning to Solve Equations of Motion with fxns dx/Sqrt[E-U(x)]

  • nolanp2
  • · Replies 3 ·
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3

Solving a First-Order DE: A Student's Struggle

  • nateshoe
  • · Replies 2 ·
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2

Estimating Chip Failure Time: Geometric MLE

  • EvLer
  • · Replies 1 ·
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1

Limits of Arc Tangent (a) and (b)

  • SheldonG
  • · Replies 6 ·
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6

Proving the Existence of an Isomorphism between F^n and Hom(Hom(F^n,F),F)

  • happyg1
  • · Replies 2 ·
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2

Homogeneous differential equations and Newton's law of cooling

  • aparra2
  • · Replies 2 ·
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2

Multiple Integrals: Find Volume Bounded by Cylinders and Planes

  • bodensee9
  • · Replies 2 ·
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2
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5

Computing a large modular exponentiation for decryption

  • Dragonfall
  • · Replies 4 ·
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4

Solving f(x) and Finding A and B

  • Weave
  • · Replies 7 ·
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7

Finding max/min values of challenging function.

  • the_dialogue
  • · Replies 3 ·
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3

What is the smallest subspace of 3x3 matrices

  • EvLer
  • · Replies 8 ·
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8

Simplifying Summation of Tan Functions

  • dimensionless
  • · Replies 3 ·
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3

Line integrals on ellipse boundary in first quadrant

  • JaysFan31
  • · Replies 1 ·
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1

If f∘g is injective, which of f and g must be injective?

  • swears
  • · Replies 1 ·
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1

List some uncommon vector spaces

  • benorin
  • · Replies 7 ·
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7

Series/Function Proof (Complex Numbers)

  • moo5003
  • · Replies 8 ·
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8

How Do You Expand (2c - 3d)^5?

  • Bucs44
  • · Replies 10 ·
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10

Finding Range of Temperature (T) as t Approaches Infinity

  • glid02
  • · Replies 1 ·
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1

Solving 2nd order inhomogeneous equation

  • Behroz
  • · Replies 1 ·
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1

Proving Bijections: Tau_1,2,3,4 on Q(sqrt(2), sqrt(3))

  • Gott_ist_tot
  • · Replies 1 ·
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1

Fundamental Theorems for Vector Fields

  • indigojoker
  • · Replies 1 ·
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1
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3

Vertical tangents of parametric curves

  • ratios
  • · Replies 1 ·
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1

How to integrate the following equation

  • aerogurl2
  • · Replies 3 ·
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3

Solving Integration by Parts Problem from 1 to 4

  • aerogurl2
  • · Replies 10 ·
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10

Probability Crosstabulation Method

  • Mesmer
  • · Replies 2 ·
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2

Constructing a Proportional Growth Equation for Bacterial Population

  • glid02
  • · Replies 2 ·
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2

When is cos(x) - sin(x) < cos(x) + sin(x) for 0 ≤ x ≤ 2π?

  • rad0786
  • · Replies 7 ·
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7

Solving Hyperboloid Problem: Finding Points of Parallel Normal Line

  • bodensee9
  • · Replies 1 ·
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1

Finding Parametric Equation of Tangent Line to Intersection of Surfaces?

  • bodensee9
  • · Replies 2 ·
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2

Solving Linear Equation: y' = 4ln|x|-2x^2y/x^3

  • snowJT
  • · Replies 9 ·
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9