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Finding kernel and image of T(X) = X - trans(X) on 2×2 matrices
- daniel_i_l
- · Replies 1 ·
Integrate the Arcsine Function
- FlashStorm
- · Replies 8 ·
Common feature of some functions
- theriel
- · Replies 10 ·
How Do You Integrate sqrt(1 + sec^4(x))?
- skeem
- · Replies 8 ·
Why is the all-subsets topology called the discrete topology?
- pivoxa15
- · Replies 1 ·
Cauchy Boundedness: Partial Sums Unbounded?
- pivoxa15
- · Replies 7 ·
Why doesn't total boundedness imply the Heine Borel property?
- pivoxa15
- · Replies 1 ·
Residue theorem for integral of real sinusodial function
- MadMax
- · Replies 3 ·
How to Compute the Radius of a Circle Using Velocity and Distance
- micke_s
- · Replies 7 ·
How does (2i/5)(2/5) become [-(2i/5)^2+5](2/5)?
- giant016
- · Replies 2 ·
Absolutely Convergent Series Rearangement Proof: Counterexample and Explanation
- quasar987
- · Replies 6 ·
Calculate an integral using euler substituition.
- MathematicalPhysicist
- · Replies 1 ·
Help deriving equation (1) with explicit calculation
- cosmology
- · Replies 2 ·
What is the integral of tangent x divided by x from 0 to infinity?
- dextercioby
- · Replies 45 ·
Eigenfunction is made entirely of sin functions
- pivoxa15
- · Replies 3 ·
Can Zero Be Considered an Eigenfunction?
- pivoxa15
- · Replies 2 ·
Spanning Vector Spaces with Trigonometric Functions
- ssb
- · Replies 4 ·
Can a Group Have a Cyclic Automorphism Group of Odd Order?
- happyg1
- · Replies 2 ·
Finding the Mass of a Solid Using Triple Integrals
- FunkyDwarf
- · Replies 4 ·
Proving that a triangular matrix is invertible
- Icheb
- · Replies 7 ·
What is the rate of change for the radius of a growing sphere after six weeks?
- phil ess
- · Replies 1 ·
Integrating Complicated Vector Integral using the Residue Theorem
- MadMax
- · Replies 3 ·
Derivative Applications Question (High-school Calculus)
- NDiggity
- · Replies 7 ·
What is the volume of a cylindrical wine barrel with a bung hole?
- blakjack
- · Replies 1 ·
Finding X-intercept using Intermediate Value Theorem
- crazyphy
- · Replies 1 ·
Where can I find more information on wreath products and standard wreath products?
- happyg1
- · Replies 4 ·
Solving for Eigenvalues and Determinant of a Singular Matrix
- daniel_i_l
- · Replies 3 ·
Irreducible polynomial in Q[x]?
- pivoxa15
- · Replies 4 ·
How do i get sin(z)/2i = 1/4(e - 1/e) ? Resides at Poles question?
- laura_a
- · Replies 1 ·
If F is a field than does it imply it must also be a Euclidean domain?
- pivoxa15
- · Replies 2 ·
What are the values of A, B, and C for rotating a line about the x-axis?
- Amebos
- · Replies 1 ·
How to lift water out of a pool
- TheStig
- · Replies 5 ·
Transformations and their inverse
- FunkyDwarf
- · Replies 2 ·
Parametrizing a Closed Curve in \mathbb{R}^3
- Dox
- · Replies 5 ·
Prove the statistical distance between random variables
- bhenchodd
- · Replies 3 ·
Proof of Group Property: G is a Group
- JohnDuck
- · Replies 3 ·
Simple marginal distribution problem
- FunkyDwarf
- · Replies 7 ·
Intervals where the function is increasing
- t_n_p
- · Replies 2 ·
Root of n degree of the number n
- theriel
- · Replies 15 ·
How do I split the region to integrate |cos(x+y)| over [0,π]×[0,π]?
- eckiller
- · Replies 2 ·
Proving G=HK: A Finite Group Theorem
- happyg1
- · Replies 1 ·
Integral with cosine and exponential - cos (2t) x e^2t
- Chadlee88
- · Replies 7 ·
Finding max and min of x²y on the circle x²+y²=1
- chesshaha
- · Replies 2 ·
Does this alternating series with (-2)^n converge?
- chesshaha
- · Replies 15 ·
Purely epsilon-N proof of the Leibniz criterion for alternate series
- quasar987
- · Replies 2 ·
What is a linear estimate of a function?
- funktion
- · Replies 3 ·
Finding centroids when integrating with respect to y
- pakmingki
- · Replies 1 ·
How do I differentiate tan^-1[(10000-200x)/(26x^2-2750x+77725)]?
- ahoy hoy
- · Replies 7 ·
Is the particular integral unique for D²y+5Dy+4y=cos 2x?
- neelakash
- · Replies 1 ·
How to solve the differential equation y''-y=1/sin(x)
- sunshine17
- · Replies 3 ·
Volume of solid by rotating y=x and y=x² about x=1
- chesshaha
- · Replies 3 ·
Finding ∂u/∂x given x = u + v + w, y = u² + v² + w², z = u³ + v³ + w³
- Zeth
- · Replies 2 ·
Finding the Maximum Area of a Quadrilateral with Perpendicular Diagonals
- BayernBlues
- · Replies 5 ·
Will the Bug Reach the Other End of the Rubber Band?
- gabee
- · Replies 2 ·
What is the optimal ratio of height to radius for a cone with minimum cost?
- BayernBlues
- · Replies 1 ·
Diff Eq Undetermined Coefficients
- Fernandez
- · Replies 2 ·
How to integrate e^x cos(x) using parts?
- Firepanda
- · Replies 1 ·
Analysis - Cauchy caracterisation of completeness
- quasar987
- · Replies 2 ·
Analysis - problem on completeness of the reals
- quasar987
- · Replies 2 ·
Proving Aut(S_3) is Isomorphic to S_3
- happyg1
- · Replies 2 ·
Prove algebraic numbers are countable
- JohnDuck
- · Replies 2 ·
Are a and b Always Real if c and Conjugate c are Roots of a Quadratic Equation?
- daniel_i_l
- · Replies 1 ·
Are y1 and y2 solutions of y"=(x/y)y' if y1=x² and y2=1?
- neelakash
- · Replies 3 ·
Finding A and L in Parametric Equation X(t)
- Amebos
- · Replies 1 ·
Finding the Equation of a Tangent
- The Matador
- · Replies 1 ·
Limits of Trig Functions: Evaluating x→0
- f(x)
- · Replies 5 ·
Maximizing volume of sphere inside a 30° cone with height 1
- jonnhannah
- · Replies 11 ·
Quotient rule for h(x) = ∛x/(x³+1), algebra error
- RyanSchw
- · Replies 1 ·
Finding Conditions for Quadratic Equation Roots to be Outside the Unit Circle
- Lutzee
- · Replies 9 ·
Does every topological space have a basis for its topology?
- pivoxa15
- · Replies 1 ·
How to handle leftover terms in integration after substitution?
- Triggy
- · Replies 6 ·
Can path components be neither open nor closed?
- pivoxa15
- · Replies 10 ·
Closed sets in products and projections
- pivoxa15
- · Replies 5 ·
Finding Path Components in Topological Space X
- pivoxa15
- · Replies 1 ·
What does normal topology mean and what is an example of a non-normal topology?
- pivoxa15
- · Replies 13 ·
Why are prolate and oblate spheroid equations identical?
- Amith2006
- · Replies 4 ·
Why are there so many notations for the derivative?
- AznBoi
- · Replies 14 ·
Showing Connectedness: Other Ways Than Path Connectedness
- pivoxa15
- · Replies 4 ·
Maximise Area of Triangle Trapped in Semi-Circle
- steven10137
- · Replies 6 ·
Is every countable metric space separable?
- pivoxa15
- · Replies 1 ·
How can I use L'Hopital's rule to evaluate this exponential limit?
- f(x)
- · Replies 8 ·
What are the critical points of a function with multiple variables?
- Chadlee88
- · Replies 6 ·
Is the GCD of two ring elements unique?
- rourky
- · Replies 6 ·
Does Every Nonempty Proper Subset of R^n Have a Nonempty Boundary?
- redyelloworange
- · Replies 5 ·
Runway Length for Takeoff: Solving for x
- stanners
- · Replies 6 ·
Integral cos(ax) / [(x^2+b^2)^2 dx
- laura_a
- · Replies 1 ·
Topology question; examples of non-homeomorphic metric spaces
- notmuch
- · Replies 13 ·
Integration of cos(π√t)/√t from 1/4 to 1
- stanners
- · Replies 7 ·
Real Eigenvalues and 3 Orthogonal Eigenvectors for Matrix (c,d)
- robierob12
- · Replies 14 ·
Inner product matrix for polynomial basis {1, t, t²}
- Kruger
- · Replies 4 ·
Rate at which two people moving in perpendicular directions are separating
- Triggy
- · Replies 4 ·
Conts fncs, open sets, boundry
- redyelloworange
- · Replies 1 ·
Direction of Greatest Rate of Change for Function f(x, y, z) in the Plane z = 1
- Chadlee88
- · Replies 5 ·
How Does Water Level Change Over Time in a Draining Cylindrical Tank?
- uniidiot
- · Replies 6 ·
The definition of a free object
- radou
- · Replies 21 ·
Trig substitution for integral of 1/(x√(4x+1))
- GravityGirl
- · Replies 3 ·
Isomorphic Vector Spaces of R6
- donald1403
- · Replies 4 ·
Differential equation Hermite polynomials
- dakold
- · Replies 2 ·
I-128 differential equation with constant production and radioactive decay
- 6Stang7
- · Replies 5 ·
Residue theorem for integral of x³sin(x)/[(x²+1)(x²+9)]
- laura_a
- · Replies 2 ·