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

Why the curve r(t) approaches a circle as t approaches infinity

  • eclayj
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Basic Complex analysis-why is z^1/3 discontinuous on real axis?

  • LoA
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Proving Surjective and Injective Functions: f and g are Injections

  • Lee33
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6

Linear Algebra - Show that T is Linear

  • 1LastTry
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Integrating (tan(x/2))^2 between 0 and pi

  • Jbreezy
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Product of Smooth Manifolds and Boundaries

  • Arkuski
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How do I find the integral of 1/(x^6+1) using partial fractions?

  • freshman2013
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Proving a true fact about measure theory and integration

  • jdinatale
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Real Solutions of Exponential Equations ##e^x = x^2## & ##x^3##

  • juantheron
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Evaluating Integral: Solving for $$\int \frac{dx}{x-3y}$$

  • Saitama
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Is the R2 to R3 transformation given by T linear?

  • jreis
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21
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What kind of differential equation is this?

  • mathman44
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5

Trignometric functions and identities

  • nil1996
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Leibniz Notation: Finding dy/dx for y=∫e^-t dx

  • thercias
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Stokes theorem, parametrizing composite curves

  • Gauss M.D.
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3

Problem Understanding theorm of Cross Product

  • PsychonautQQ
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Finding unit normal vectors and normal/tangent components of accelerat

  • icesalmon
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Discrete Time Birth and Death Process

  • daneault23
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Is operator that is made from orthonormal operator also orthonormal?

  • ArnarVidars
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4

Spivak Ch. 5 Limits, problem 6

  • QuantumP7
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5

Graph Theory - connection proof

  • oneamp
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Proving C(AB) = C(A) with Orthogonal Complement and Matrix Multiplication

  • samuelr0750
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Proof regarding orthogonal projections onto spans

  • samuelr0750
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Proving the Intersection of Subgroups is a Subgroup: A Simple Solution

  • bonfire09
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?Plot a deformed shape given the displacements

  • TheFerruccio
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Proving that z1/z2 is purely imaginary: A Complex Number Problem

  • CrispyPlanet
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Solving a DE for Water Leaking from a Tank

  • ehabmozart
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Order of Convergence & Numerical Analysis

  • tehdiddulator
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Writing expressions, Markov Models

  • USN2ENG
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How to use matrix method on this system of equations

  • Typhon4ever
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Complex analysis, construct analytic f given Re(f)

  • usn7564
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Is δ(x+y)=δ(x-y) for Dirac Delta Function?

  • Poligon
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4

Vector Calculus Proof: Curl V = 0 -> V = grad phi

  • Tsunoyukami
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Open Set Boundary: Proving S as the Half Plane with y = -x Line Boundary

  • tuggler
  • · Replies 4 ·
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4

Volume of a solid using shells

  • Feodalherren
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Epsilon-Delta Proof with 2-Variable Polynomial

  • idochemistry
  • · Replies 12 ·
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12

Uniform continuous function and distance between sets

  • mahler1
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5

Area between two curves integral

  • Yosty22
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4

How do I prove |xy| = |x| * |y|?

  • athena810
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Optimizing Oil Spill Cleanup: Minimizing Costs with Additional Crews

  • SMA_01
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Find Linear Equation of a plane

  • PsychonautQQ
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5

Vector Projectile Problem (Calculus III)

  • FallingMan
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Measure of borel set minus open <e

  • ArcanaNoir
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8

Can You Solve This Non-Exact Differential Equation?

  • freezer
  • · Replies 5 ·
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5

Derivative of Trigonometric Functions

  • thatguythere
  • · Replies 17 ·
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17
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Solving a simple second order PDE, do I need the Fourier?

  • Emspak
  • · Replies 5 ·
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Integrating across circular surface

  • Niles
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Differential equation bifurcation, how to find equilibrium points?

  • nchin
  • · Replies 1 ·
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1

Population Model Homework: Determine Equilibrium Solutions

  • tylersmith7690
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Solving Diff EQ: y'=2cos^2x-sin^2x+y^2 w/y(0)=2

  • tylersmith7690
  • · Replies 5 ·
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Use the Approximate Relationship to Prove

  • MelissaJL
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Differential Equation - Where am I going wrong?

  • oneamp
  • · Replies 2 ·
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Limit point of Sn := {1-1/n} is 1

  • kingstrick
  • · Replies 5 ·
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Compute how many n-digit numbers

  • knowLittle
  • · Replies 7 ·
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Thx for help tonight yall 3 more questions X_x

  • PsychonautQQ
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Are These Geometry Statements True or False?

  • PsychonautQQ
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Finding Vector Equation for a Perpendicular Line Passing Through a Point

  • PsychonautQQ
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Find a nonzero vector normal to a plane

  • PsychonautQQ
  • · Replies 1 ·
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1
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6

How Do I Solve Trig Equations with Exact Values in a Given Domain?

  • zaddyzad
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Combinatorics: Arranging 12 Subjects on 3 Lines with Lovebirds Together

  • silenzer
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8
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Inverse Laplace transform (Initial Value Problem)

  • aero_zeppelin
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Limit of a Radical Expression without L'Hospital's Rule

  • phrox
  • · Replies 11 ·
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Every closed ball in X is complete, then X is complete

  • mahler1
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Calculating Speed on a Ramp: Related Rates Problem

  • fogvajarash
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Finding the Rate of Change of an Angle in a Moving Kite System

  • fogvajarash
  • · Replies 8 ·
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Determinant of a Finite Field 2x2 Matrix

  • rehcarlos
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Evaluate the limit of [(6-x)^0.5 - 2]/[(3-x)^0.5 - 1]

  • MathewsMD
  • · Replies 7 ·
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ODE question, appreciate your help

  • zibb3r
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3

Can the Laplace Transform Be Determined for Specific Functions?

  • yy205001
  • · Replies 10 ·
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10

Maclaurin Series for (x2+4)-1: Terms 1-3

  • MelissaJL
  • · Replies 16 ·
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16

Check answer please simple diff eq'n problem involving eulers method

  • nchin
  • · Replies 1 ·
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1

Finding Intersection of Curves: sin(x) and 2|x|/pi

  • phospho
  • · Replies 1 ·
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1

Finding Exact Value of sin^-1(-9): A Beginner's Guide

  • zaddyzad
  • · Replies 3 ·
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3

Proving the Real Part Summation Property for Complex Numbers

  • freezer
  • · Replies 8 ·
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8

Finding Time t for Instantaneous & Average Velocity: Particle Motion

  • sammiyahc0
  • · Replies 5 ·
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5

Solving PDE Questions: Constant & Variable Coefficient Equations

  • trap101
  • · Replies 5 ·
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5

Integrating exponetial of z over the conjugate of z

  • marqeeete
  • · Replies 4 ·
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Power vs Resistance: 2.35(9+.05)^2-2(r+.5)/(r+0.5)^4

  • sammiyahc0
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2

Understanding the Summation of Infinite Series: Is it True for i and j?

  • yungman
  • · Replies 9 ·
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9

Laplace transforms to solve initial value DE / partial fractions

  • CrazyCamo
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2

How to find a line perpendicular to another line and through a point.

  • iScience
  • · Replies 3 ·
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3

Simple differential eq'n problem, check my answer please

  • nchin
  • · Replies 8 ·
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8

What is the Probability of Selling 8 Listings Out of 10?

  • maiad
  • · Replies 2 ·
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CDF: Prove a>0 for F(x) = 1 - e^(-ax) - axe^(-ax)

  • fateswarm
  • · Replies 6 ·
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6

Discrete math : Induction proof

  • boxz
  • · Replies 1 ·
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1

Sketching a vector valued function

  • icesalmon
  • · Replies 8 ·
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8

Intro abstract algebra along with basic set theory

  • stripes
  • · Replies 4 ·
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4

Find position function of freefall with air resistence ODE

  • 1s1
  • · Replies 7 ·
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More intro abstract algebra problems

  • stripes
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Finding limits without epsilon and delta

  • kingstrick
  • · Replies 9 ·
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Let A be a subset of X, and suppose we have an injection from X to A

  • Artusartos
  • · Replies 3 ·
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Mathematical induction inequality

  • Julia Maria
  • · Replies 4 ·
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Simple limit of sequences question.

  • nothingkwt
  • · Replies 6 ·
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Derangements of 1-Factors Question

  • AXidenT
  • · Replies 4 ·
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No problem, glad I could help! :smile:

  • Temp0
  • · Replies 3 ·
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