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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2

Radioactive decay with dA/dt = -kA and no initial values

  • x0hkatielee
  • · Replies 18 ·
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18

Calculus 2: Finding Work with Integrals

  • iRaid
  • · Replies 6 ·
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6

Tangent line to y = ln(x²) at (2, ln 4)

  • domyy
  • · Replies 9 ·
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9

Finite Difference (Interpolating Polynomial)

  • planauts
  • · Replies 7 ·
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7

Linear algebra inverse of a matrix

  • Mdhiggenz
  • · Replies 8 ·
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8

Proving |z₁z₂*+z₁*z₂| ≤ 2|z₁z₂| for complex numbers

  • ElijahRockers
  • · Replies 10 ·
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10

Volume of solid with square cross-sections perpendicular to a semicircle

  • Lo.Lee.Ta.
  • · Replies 6 ·
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6

U-sub integral: Not sure where i went wrong.

  • dwdoyle8854
  • · Replies 3 ·
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3

Find the coordinates of a point where a line intersects the y-axis.

  • vparikh
  • · Replies 11 ·
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11

Prove Inverse of a bijective function is also bijective

  • blindgibson27
  • · Replies 4 ·
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4

Vector Equation Proof: Finding the Magnitude of a Vector Sum

  • Baumer8993
  • · Replies 4 ·
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4

Prove lcm(m,n)Z = mZ ∩ nZ using double inclusion

  • STEMucator
  • · Replies 14 ·
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14

Finding the limit of tan²(x)/x as x approaches 0

  • Torshi
  • · Replies 27 ·
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27

Contour integration exp(ikx)/x

  • aranud
  • · Replies 3 ·
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3

How to find the error in this particular integration process?

  • taeyeong14
  • · Replies 13 ·
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13

Statistics Probability Densities

  • whitehorsey
  • · Replies 12 ·
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12

Integrating (x+2)/(x^2-2x+3) using partial fractions

  • grimireaper
  • · Replies 5 ·
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5

Proving Markov's Inequality (Probability)

  • TelusPig
  • · Replies 1 ·
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1

Why use the minimum delta in delta-epsilon limit proofs

  • lionel_hutz
  • · Replies 2 ·
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2

Showing that two vector spaces are equal.

  • jdinatale
  • · Replies 1 ·
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1

Integral of x² √(x³ + 1) dx

  • Lo.Lee.Ta.
  • · Replies 4 ·
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4

Circle equation vs. semicircle equation

  • Lo.Lee.Ta.
  • · Replies 1 ·
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1

Verifying Volume of Region about x=1

  • Lo.Lee.Ta.
  • · Replies 4 ·
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4

Derivative of Exponential and Logarithmic Functions

  • domyy
  • · Replies 8 ·
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8

Establishing double integral limits

  • PedroB
  • · Replies 2 ·
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2

Problem with discrete and continuous random variables

  • lolproe
  • · Replies 1 ·
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1

Proving Existence of Injective Binary Operation on $\mathbb{N}\times\mathbb{N}$

  • SithsNGiggles
  • · Replies 16 ·
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16

Proving x^n - y^n = (x - y) times a sum by induction

  • hicsuntdrac0ni
  • · Replies 3 ·
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3

Proving Symmetric Matrix Determinant is Null

  • Oudeis Eimi
  • · Replies 15 ·
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15

Proving the power rule using the binomial theorem and limits

  • Astrum
  • · Replies 4 ·
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4

Linear algebra conceptual question

  • Mdhiggenz
  • · Replies 12 ·
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12
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2

Linear equation (differential equations) problem

  • aero_zeppelin
  • · Replies 6 ·
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6

Incomplete solution of integral

  • freddyfish
  • · Replies 4 ·
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4

Verifying a Solution for a Diff. Equation: (x2-y2)dx + (x2-xy)dy=0

  • aaronfue
  • · Replies 2 ·
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2

Limit as x approaches 0+ of x^(1/x)

  • Jalo
  • · Replies 3 ·
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3

How Does the Fundamental Theorem of Calculus Apply to Piecewise Functions?

  • josh3189
  • · Replies 3 ·
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3

Does the integration need to be altered due to the given limits?

  • schmiggy
  • · Replies 7 ·
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7

Birth Death Model: M/M/C Queueing System

  • MCooltA
  • · Replies 1 ·
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1

Linear operator or nonlinear operator?

  • Elbobo
  • · Replies 5 ·
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5

Is it possible to solve this without guessing the function?

  • Drao92
  • · Replies 4 ·
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4

Double integral in polar coordinates

  • whynot314
  • · Replies 1 ·
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1

Construction of coupling and maximal coupling (probability theory)

  • TaPaKaH
  • · Replies 2 ·
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2

Finding sufficient statistics for a parameter

  • abeliando
  • · Replies 2 ·
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2

Flux of vector field F = xi + yj + zk across S

  • schmiggy
  • · Replies 8 ·
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8

Proving matrix inverse property with Mathematica

  • JJHK
  • · Replies 1 ·
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1

Conditional Probability Statistics

  • whitehorsey
  • · Replies 3 ·
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3

Evaluating ∫a*sin(14x)/√(1-196x²) dx from 0 to 1/28

  • Capella Riddle
  • · Replies 8 ·
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8

Maximize Return: Find A to Maximize Contract Award

  • ptlnguyen
  • · Replies 2 ·
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Solving a system with the inverse of a matrix.

  • thatguythere
  • · Replies 4 ·
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4

Find k for this probability density function to be valid.

  • TelusPig
  • · Replies 3 ·
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3

Finding derivatives using the fundamental theorem of calculus

  • raepal
  • · Replies 4 ·
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4

Finding optimal delivery date d to maximize expected contract award

  • ptlnguyen
  • · Replies 1 ·
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1

Finding mean from standard deviation in a normal distribution

  • ptlnguyen
  • · Replies 1 ·
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1

Is a line integral with continuous components differentiable?

  • Contingency
  • · Replies 16 ·
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16

Express integral of e^x from 1 to 8 as a Riemann sum

  • Lo.Lee.Ta.
  • · Replies 5 ·
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5

Without using L'Hopital's rule, how can I calaculate this limit?

  • Calabi_Yau
  • · Replies 3 ·
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3
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4

Finding resultant of 8kN vertical, 6kN horizontal, and 3kN at 45°

  • JollyJed
  • · Replies 49 ·
2
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49

Why does n^(c/n) approach 1 as n approaches infinity?

  • tolove
  • · Replies 2 ·
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2

Expressing Transpositions as Products of Adjacent Transpositions

  • murps232
  • · Replies 2 ·
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2

HomA(M,HomA(N,K)) is isomorphic to HomA(N,HomA(M,K))

  • RVP91
  • · Replies 2 ·
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2

Proving the divergent integral of 1/f(x) as x-> infinity

  • 000
  • · Replies 3 ·
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3

Review in Variable Differentiation

  • jgreen520
  • · Replies 5 ·
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5

A Dot product analysis proof (might be simple)

  • Andrax
  • · Replies 6 ·
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6

How can I integrate sqrt(9-x^2) by hand?

  • physicsdreams
  • · Replies 7 ·
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7

Riemann Sum with subintervals/partition

  • MelissaJL
  • · Replies 3 ·
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3

Cramers rule on a set of linear equations, notation help

  • Missmk1
  • · Replies 2 ·
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2

Differential Spherical Shells - Triple Integrals

  • thetasaurus
  • · Replies 3 ·
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3

Proof of Divisibility in Sets of Integers

  • cragar
  • · Replies 2 ·
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2

Taylor Series Problem - Question and my attempt so far

  • jammyloller
  • · Replies 1 ·
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1

Karush Kuhn Tucker problem (minimizing a function subject to a constraint)

  • porroadventum
  • · Replies 4 ·
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4

Showing a Sequence Also Satisfies the Fibonacci Sequence

  • Illania
  • · Replies 6 ·
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6

Prove that the closure of a bounded set is bounded.

  • dustbin
  • · Replies 3 ·
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3

What are the Quadratic Residues Modulo p?

  • knowLittle
  • · Replies 5 ·
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5

Convergence problem (nth-term test)

  • tolove
  • · Replies 4 ·
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4

Transposition as part of a laplace transform

  • Trespaser5
  • · Replies 2 ·
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2

Calculus II Proof by induction problem

  • FinalStand
  • · Replies 13 ·
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13

How to solve ∫2e^-2/tsin(3t)dt using integration by parts?

  • xzibition8612
  • · Replies 4 ·
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4

Can you find the gradient of a vector?

  • anban
  • · Replies 6 ·
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6

What is an effective approach to proving that interior points are open?

  • pokemonsters
  • · Replies 2 ·
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2

Differential Equation First Order Linear

  • ruiwp13
  • · Replies 3 ·
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3

Does continuity prove integrability?

  • peripatein
  • · Replies 23 ·
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23

Solving x' = x(1-x) by separation of variables

  • Jamin2112
  • · Replies 6 ·
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6

Proving the set {(x,y) : x² > y} is open using the triangle inequality

  • dustbin
  • · Replies 8 ·
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8
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4

Solving a First Order Differential Equation with Initial Conditions.

  • uber_kim
  • · Replies 2 ·
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2

Calculus II - Real numbers proofing

  • FinalStand
  • · Replies 11 ·
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11
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11

Nth derivative, differentiation

  • D678
  • · Replies 2 ·
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2

Radius of convergence and 2^1/2

  • bedi
  • · Replies 1 ·
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1

What is happening in this step, kinematics problem

  • wahaj
  • · Replies 6 ·
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6

Finding a Vector-Valued Function to Parametrize the Curve (x-1)^2 + y^2 = 1

  • cytochrome
  • · Replies 3 ·
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3

A determinant containing a variable

  • Quark Itself
  • · Replies 4 ·
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4

Proofs of dimensions and subspaces check

  • harvesl
  • · Replies 6 ·
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6

Double Integrals, Rectangular Region

  • ohlala191785
  • · Replies 11 ·
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11

Proving Infinite Primes of 6m+1 and 6m+5 Form Using Euclid's Method

  • cragar
  • · Replies 7 ·
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7

Can One-Sided Limits Be Evaluated Using the f(g(x)) Function?

  • Bipolarity
  • · Replies 1 ·
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1

Applying L'Hopital's rule to evaluate an integral

  • peripatein
  • · Replies 10 ·
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10