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

What are the partial derivatives of f(x,y) at (0,0)?

  • Odyssey
  • · Replies 3 ·
Replies
3

Solving x²y'' - 3xy' + 13y = 4 + 3x with substitution x = e^t

  • hola
  • · Replies 1 ·
Replies
1

Solve 2x+3y=2, 3x+2y=3 Congruences Simultaneously

  • mattmns
  • · Replies 6 ·
Replies
6

Geometric random variable with probability mass function

  • playboy
  • · Replies 4 ·
Replies
4

3 by 3 matrix with an orthogonality constraint

  • touqra
  • · Replies 1 ·
Replies
1

Why Do These Derivatives Appear Unequal?

  • Icebreaker
  • · Replies 1 ·
Replies
1

Derivatives of Composite Functions

  • Dough
  • · Replies 4 ·
Replies
4

What Points on y=1/x Have a Tangent Line Slope of -4/9?

  • joshb110
  • · Replies 5 ·
Replies
5

One final question in algebra and geometry

  • byronsakic
  • · Replies 4 ·
Replies
4

Calculating Probabilities for Independent Bernoulli Trials

  • playboy
  • · Replies 1 ·
Replies
1
Replies
1

Which sets are open, closed, or neither?

  • calvino
  • · Replies 4 ·
Replies
4

How do you solve for x in this radical equation?

  • Quasaire
  • · Replies 2 ·
Replies
2

Linear dependence of vectors and row-reduced form matrices

  • brad sue
  • · Replies 2 ·
Replies
2

Age/weight relationship of female arctic foxes caught in Svalbard

  • gillgill
  • · Replies 6 ·
Replies
6

What Are the Different Coordinate Systems Used in Calculus?

  • JasonJo
  • · Replies 1 ·
Replies
1

Calculating fourier coefficients

  • gravenewworld
  • · Replies 3 ·
Replies
3

Euler's number e, proving convergence and bounds

  • Nerpilis
  • · Replies 5 ·
Replies
5

Can a fourier series of a function just be a constant?

  • schattenjaeger
  • · Replies 1 ·
Replies
1

Polar Integral Conversion Correct?

  • bigedd1227
  • · Replies 1 ·
Replies
1

Can i use bernoulis inequality like this?

  • Nerpilis
  • · Replies 2 ·
Replies
2

Is Set A a Subset of Set C as well?

  • bomba923
  • · Replies 2 ·
Replies
2
Replies
1

First partial derivatives of e^(uv) with u=x-y, v=xy

  • elle
  • · Replies 1 ·
Replies
1

Evaluation of a divergent series?

  • standardflop
  • · Replies 2 ·
Replies
2

Finding eigenvalues and eigenvectors from a matrix example

  • mr_coffee
  • · Replies 8 ·
Replies
8

How do I solve linear algebra questions involving matrices?

  • vg19
  • · Replies 5 ·
Replies
5

Finding p from cosine of angle between vectors a and b

  • byronsakic
  • · Replies 2 ·
Replies
2

How Do You Apply the Chain Rule to Differentiate f(x) = x^5(4^(x^2))?

  • ninanana
  • · Replies 5 ·
Replies
5

Solving d²y/dt² + 3dy/dt + 25y/4 = 0 with complex exponentials

  • Pixter
  • · Replies 1 ·
Replies
1

Using cramer's Rule to solve for x2, i'm confused on this example

  • mr_coffee
  • · Replies 2 ·
Replies
2

Units of Gradient for s x s vs m

  • polyperson
  • · Replies 2 ·
Replies
2

How do I assign u and dv for ∫ln(1+x²)dx using the LIATE rule?

  • zenity
  • · Replies 7 ·
Replies
7

Proof: any prime number greater than 3 is congruent to 1 or 5 mod 6

  • jhson114
  • · Replies 9 ·
Replies
9

Calc 3 directional derivative question

  • meadow
  • · Replies 1 ·
Replies
1

Using the chain rule with 2 variables ?

  • Rizzamabob
  • · Replies 3 ·
Replies
3

What is Special Diagonalization?

  • sad life
  • · Replies 3 ·
Replies
3

Convergence of a very simple series

  • Benny
  • · Replies 2 ·
Replies
2

Does the function have total differential in [0,0]?

  • twoflower
  • · Replies 4 ·
Replies
4

Find the volume of the ellipsoid

  • Whatupdoc
  • · Replies 3 ·
Replies
3

Calculating Gradient of ln(r) in 3D Space

  • brentd49
  • · Replies 2 ·
Replies
2

Linear Programming: Minimizing Vertical Distance to Line

  • morry
  • · Replies 9 ·
Replies
9

Seemingly simple integral gets complicated

  • EbolaPox
  • · Replies 8 ·
Replies
8

I have to integrate int_0^1 sqrt(t^2-1)dt

  • Jonny_trigonometry
  • · Replies 4 ·
Replies
4

Confirming the Sum Notation: P(X ≥ k)

  • rad0786
  • · Replies 3 ·
Replies
3

Does -e^(-infinity) Equal 0 in Mathematics?

  • gillgill
  • · Replies 5 ·
Replies
5

What is the derivative of the absolute value of cos(x)?

  • math&science
  • · Replies 6 ·
Replies
6

What is the Value of s for Parallel Vectors in Linear Algebra?

  • byronsakic
  • · Replies 4 ·
Replies
4

Parametric Representation of Field Lines

  • Icebreaker
  • · Replies 2 ·
Replies
2

Find 4-D Volume of R^7 Vector in R^7

  • calvino
  • · Replies 1 ·
Replies
1

Proving f(x) = 9x - 7 is continuous at x = 2

  • Jeff Ford
  • · Replies 2 ·
Replies
2

Is this piecewise function with alternating terms Riemann integrable?

  • Lizzie11
  • · Replies 3 ·
Replies
3

Solving Fourier Series Prob: Need Help With Integral Parts

  • math&science
  • · Replies 2 ·
Replies
2

Differentiating compound functions

  • GregA
  • · Replies 2 ·
Replies
2

What is the meaning of N>max{A^2,7} ?

  • ggundamme
  • · Replies 1 ·
Replies
1

Solving First Order Difference Equations

  • Benny
  • · Replies 7 ·
Replies
7

Continuous functions, confusion with notation.

  • *melinda*
  • · Replies 1 ·
Replies
1

Derive the volume of a sphere.

  • pikapika!
  • · Replies 5 ·
Replies
5
Replies
4

Checking Total Differential of f(x,y) in [0,0]

  • twoflower
  • · Replies 2 ·
Replies
2

Fourier integral homework problem

  • fahd
  • · Replies 1 ·
Replies
1

Where did I go wrong in proving the identity for div(F x G)?

  • .....
  • · Replies 5 ·
Replies
5

Minimizing the area in a parabola

  • r3dxP
  • · Replies 10 ·
Replies
10

Can You Prove These Divisibility Questions on Positive Integers?

  • 1+1=1
  • · Replies 5 ·
Replies
5

Can Inequalities be Proven with Simple Algebraic Manipulation?

  • elle
  • · Replies 4 ·
Replies
4

Find the derivative of V = ay/(b² + y²)

  • Kali8972
  • · Replies 3 ·
Replies
3
Replies
6

Solving a cubic (or rather simplifying a real root in complex form)

  • AlterWolfie
  • · Replies 2 ·
Replies
2

Double integrals: when a parallelogram approximates a curvy area

  • Castilla
  • · Replies 6 ·
Replies
6

Even Function Integrals: Can They Always Equal Zero?

  • math&science
  • · Replies 1 ·
Replies
1

Is the rate of change of Inflation negative?

  • envanyatar
  • · Replies 4 ·
Replies
4

Find a and b where tangent line to f(x) passes through (0,-8)

  • cdhotfire
  • · Replies 12 ·
Replies
12

Multivariable limit with different values along different paths

  • mr_coffee
  • · Replies 4 ·
Replies
4

What Are Logic Symbols and How Are They Used in the Object Language?

  • penitor
  • · Replies 7 ·
Replies
7

What are the Sets in the σ-Algebra Generated by A1 and A2?

  • standardgirl
  • · Replies 9 ·
Replies
9
Replies
15

Proving Non-Existence of Limit: (x^4)y/(x^2-y^2) using Prof's Hint

  • calvino
  • · Replies 3 ·
Replies
3
Replies
1

Laplace transform of a piecewise function

  • Lorens
  • · Replies 9 ·
Replies
9

Proving or Disproving rational raised to rational is rational number

  • jhson114
  • · Replies 7 ·
Replies
7

Why is the limit 2025? a simple plug and chug limit gone wrong

  • mr_coffee
  • · Replies 3 ·
Replies
3

How Do You Prove A Closure Equals A Union Boundary A?

  • Virtate
  • · Replies 1 ·
Replies
1

Finding a tangent plane through two tangent lines using linear approximation

  • mr_coffee
  • · Replies 2 ·
Replies
2

Finding L((7,5)^T) given two linear transformation values

  • electricalcoolness
  • · Replies 10 ·
Replies
10

Finding Answers to Calculus 7th Ed. Larson, Hostetler, Edwards

  • Vigo
  • · Replies 4 ·
Replies
4

Limit of (sin x - cos x)/(cos 2x) as x approaches π/4

  • scorpa
  • · Replies 17 ·
Replies
17

Representing the Probability Distribution of XY in a Graph

  • Alexsandro
  • · Replies 3 ·
Replies
3

What are the parameters needed for surface parametrization of x^2-y^2=1?

  • Tony11235
  • · Replies 4 ·
Replies
4

Is Clifford-t algebra isomorphic to a matrix algebra?

  • AKG
  • · Replies 7 ·
Replies
7

Solving Inner Product Equations for Algebra Students

  • playboy
  • · Replies 25 ·
Replies
25

What does d^2u/dx^2 notation mean in partial derivatives?

  • mr_coffee
  • · Replies 2 ·
Replies
2

Does the series 1 + 1/3 + 1/5 + 1/7 + ... diverge?

  • happyg1
  • · Replies 4 ·
Replies
4

Bounded Function on Closed Interval: Proving Boundedness

  • Icebreaker
  • · Replies 9 ·
Replies
9

Understanding Arbitrary Constants in Second Order Nonhomogeneous Equations

  • jason17349
  • · Replies 4 ·
Replies
4

Solving a Differential Equation: y`=1/(6e^y-2x)

  • asdf1
  • · Replies 6 ·
Replies
6

Fourier Series of simple function.

  • Tschew
  • · Replies 1 ·
Replies
1

Quick method for derivative of complex rational function

  • dekoi
  • · Replies 7 ·
Replies
7

Chain rule confusion partial derivatives

  • mr_coffee
  • · Replies 2 ·
Replies
2

Linear algebra and matrix operations: correct me if im wrong

  • tandoorichicken
  • · Replies 4 ·
Replies
4

Proving Series Divergence: Convergence of a_n w/o Explicit Formula

  • CrusaderSean
  • · Replies 3 ·
Replies
3