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Cross Product Magnitude for Triangle Area
- dr721
- · Replies 2 ·
Fraction reduction, euclid's algorithm
- rayman123
- · Replies 2 ·
Have I done this differential equation correctly?
- jakobs
- · Replies 9 ·
Nonlinear First order ODE: dy/dx = x + y^2
- toneboy1
- · Replies 20 ·
What are some sets that satisfy A∩P(A)ε B?
- bonfire09
- · Replies 2 ·
Second Derivative of Square Root Equation
- Sakha
- · Replies 2 ·
Irreducible polynomial in Q[x] but redicuble in Z[x]
- k3k3
- · Replies 7 ·
Showing (M,d) and (M,d₁) have the same open sets
- bedi
- · Replies 12 ·
How can I solve this integral involving cosine and sine functions?
- lukatwo
- · Replies 2 ·
Complex exponential expressions.
- lucasfish1
- · Replies 3 ·
Is the Operator L = d/dt + d^2/dx^2 + 1 Linear?
- frenchkiki
- · Replies 3 ·
Solving the Indefinite Integration Problem
- Saitama
- · Replies 11 ·
This sequence of functions looks simple but
- unscientific
- · Replies 5 ·
Why do optimal solutions from calculus match real physical systems?
- aaaa202
- · Replies 2 ·
Three problems on Complex Analysis
- carlosbgois
- · Replies 2 ·
Proving P(A)≥P(B): Probability Proof
- kuahji
- · Replies 5 ·
Removal of snow during constant snowfall (flawed solution)
- JSGandora
- · Replies 2 ·
Use Cauchy Integral Formula to evaluate the integral
- DanniHuang
- · Replies 1 ·
Prove a graph with n nodes and more than C(n-1,2) edges is connected
- TrolliOlli
- · Replies 4 ·
Verify an expression is an implicit solution to a first order DE.
- oddjobmj
- · Replies 2 ·
Product of two complex numbers = 0
- vesu
- · Replies 34 ·
Is P4 a Subspace and What is Its Dimension?
- bugatti79
- · Replies 3 ·
Understanding Reimann Sums: Interpreting Variables and Formulas
- veegeedeejay
- · Replies 6 ·
Why does n^(-p+1) → 0 when p > 1 in the integral test for p-series?
- JJHK
- · Replies 1 ·
Differential Equations Intro material
- dkotschessaa
- · Replies 3 ·
Rewriting a Vector in Terms of Two Arbitrary Vectors
- Smx_Drummerboy
- · Replies 9 ·
Proof that a set of complex numbers is closed iff convergent sequences stay in it
- arpitm08
- · Replies 12 ·
Proving 2 Does Not Divide 1 with Natural/Integer Properties
- beep
- · Replies 7 ·
Solving Y'=0 for Y=x*e^(-0.4x)
- jakobs
- · Replies 10 ·
Solve Swimmer's Speed to Drift 1 Mile: 4 mi/h
- JJRKnights
- · Replies 1 ·
Limit Proof with Rational Functions
- Villyer
- · Replies 2 ·
Prove algebraically that lim x->0 (x^2)*cos(1/ x^(1/3)) does not exist
- quadreg
- · Replies 18 ·
Proving the Limit of a Square Root Using Epsilon and Delta
- drawar
- · Replies 5 ·
Solutions to a Simple Differential Equation
- icefall5
- · Replies 11 ·
Angle Between Two Vectors: Solving for θ
- nabelekt
- · Replies 9 ·
Why does xln(2x+1)+(1/2)ln(2x+1)-x equal (1/2)(2x+1)ln(2x+1)-x?
- Jay9313
- · Replies 4 ·
What Is the Lebesgue Number Lemma in Metric Spaces?
- bedi
- · Replies 12 ·
Finding all continuous functions with the property that g(x + y) = g(x) + g(y)
- jdinatale
- · Replies 2 ·
Proving σ-Algebra Generated by All Intervals in Rn Coincides with All Open Subsets of Rn
- ChemEng1
- · Replies 11 ·
Finding the primitive function for y'(x) = xcos(x²)
- jakobs
- · Replies 5 ·
Proving the Rational Numbers of the Form 3n6m is a Group under Multiplication
- srfriggen
- · Replies 5 ·
D'Alembert question - boundary conditions parts
- Ratpigeon
- · Replies 1 ·
Solving an Algebraic Proof for Vector Equation
- Jormungandr
- · Replies 11 ·
How to prove that the sum of two rotating vectors in an ellipse?
- ppoonamk
- · Replies 1 ·
Showing that the directional derivatives exist but f is not continuous
- Hernaner28
- · Replies 10 ·
Finding a Particular Solution for a Non-Homogeneous PDE
- roldy
- · Replies 3 ·
Why does the derivative of arctan(4t) equal 4/(1+16t²)?
- dlikes
- · Replies 1 ·
Deriving coth(π) from a Fourier series of sinh(x)
- Ratpigeon
- · Replies 10 ·
Fundemental lemma of the calculus of variations
- TooFastTim
- · Replies 3 ·
Evaluate this index Integral containing Trig
- bugatti79
- · Replies 5 ·
Solving limits containing trig expressions
- PhizKid
- · Replies 3 ·
Estimating the volume of a solid
- Philip Wong
- · Replies 21 ·
Blood type antigens and student exam failure probabilities
- 1MileCrash
- · Replies 1 ·
Probability, There are 20 laborers to four different construction jobs
- Kinetica
- · Replies 13 ·
Proving properties of zero matrices and symmetric matrices
- dr721
- · Replies 11 ·
Help with the conventions used for curl operator
- ppoonamk
- · Replies 3 ·
Finding the Angle Between Two Planes: A Different Approach
- unscientific
- · Replies 2 ·
Integrating cot(x) by partswhat's wrong?
- abel_ghita
- · Replies 9 ·
Elementary algebra of complex variables problem
- jdinatale
- · Replies 8 ·
PDE with characteristic curves: u·u_x + u_y = 0
- Greger
- · Replies 10 ·
Finding the Sum of Sin2(na)/n2 Using Fourier Series for f(x)
- Ratpigeon
- · Replies 13 ·
Linear algebra-2x2 RREF matrices
- pyroknife
- · Replies 7 ·
Surface area integral for rotating y=√(x(1-x)²/3)
- stonecoldgen
- · Replies 2 ·
Abstract Algebra question regarding coprimes
- srfriggen
- · Replies 12 ·
Topology (showing set is not open)
- Polamaluisraw
- · Replies 8 ·
Proving wx = wy from x = y using field axioms
- Tomp
- · Replies 5 ·
Linear transformations question
- Rackhir
- · Replies 4 ·
Finding the volume of a solid revolution (shell method)
- Cottontails
- · Replies 1 ·
Simple difference quotient question. Function -> simplify answer
- nukeman
- · Replies 15 ·
Intuition behind the fundamental theorem of calculus
- e^(i Pi)+1=0
- · Replies 2 ·
[Linear Algebra] For which a is 0 an eigenvalue?
- Ortix
- · Replies 7 ·
Find the [1/1] Padé approximation for f(x)=1−½x+⅓x²−
- matematikuvol
- · Replies 1 ·
What Are the Subsequential Limit Points of the Sequence X_n = cos(n)?
- CyberShot
- · Replies 4 ·
Applying the fundamental theorem of calculus to find a definite integral
- ralfsk8
- · Replies 43 ·
Trouble with particular solution of differential equation - rewrite my answer?
- cowmoo32
- · Replies 2 ·
Calculating Surface Area of a Torus
- stonecoldgen
- · Replies 1 ·
Need Guidance: Area in between Polar Curves
- GavinMath
- · Replies 1 ·
Proving sufficiency via likelihood functions
- BlueKazoo
- · Replies 5 ·
Finding a symmetric square root of a positive definite matrix
- IniquiTrance
- · Replies 2 ·
Probability Problem 1.15 From Statistical and Thermal Physics, Reif
- thenewsteven
- · Replies 3 ·
What does the line above a set symbol mean?
- astrozilla
- · Replies 1 ·
Cartesian Equation of a plane containing 3 points
- Blackh4wk
- · Replies 1 ·
Partial Derivatives of U: Solving for Unknown Variables
- unscientific
- · Replies 4 ·
Matrix of. Linear operator question
- frowdow
- · Replies 3 ·
Discrete math - simple formalism question
- oferon
- · Replies 3 ·
Generalizing the Theorem: Number of Solutions to x^k ≡ 1 (mod n)
- Arian.D
- · Replies 4 ·
How Can I Solve This Challenging Bernoulli Equation?
- cragar
- · Replies 7 ·
Why Can't I Find the Minimum Value for G(x) on the Interval [0, π/2]?
- ronho1234
- · Replies 8 ·
Integrate (x^2)exp(-x^2)dx from - to + infinity
- clope023
- · Replies 4 ·
DE book does not justify this claim
- 1MileCrash
- · Replies 11 ·
Complex Arithmetic - Mathematica agrees with me, textbook says I'm wrong.
- jdinatale
- · Replies 1 ·
Very simple exponential function quesiton
- phospho
- · Replies 14 ·
Proving trig identities with dot and cross products
- cytochrome
- · Replies 6 ·
How Do Non-Perpendicular Unit Vectors Affect Coordinate Transformation?
- unscientific
- · Replies 9 ·
Why does substitution x+1 preserve irreducibility of polynomials?
- nasshi
- · Replies 3 ·
Proving Bounds for a Riemann Sum: Part II
- ronho1234
- · Replies 3 ·
Differentiating to find one unknown function out of three?
- mimi.janson
- · Replies 2 ·
Specific solution of diff eq, no initial value
- cowmoo32
- · Replies 4 ·
How Fast is the Car Traveling Along the Highway?
- e^(i Pi)+1=0
- · Replies 3 ·
Dot product of vector and a dyadic.
- htdIO
- · Replies 7 ·