Skip to main content
Mathematics

Teacher

 Teacher
Answer a question with score of 1 or more.
Awarded 80054 times.
Why can we divide by zero in limits?
Awarded Nov 3 at 14:28
Determine all three-digit numbers N having the property that N is divisible by 11, and N/11 is equal to the sum of the squares of the digits of N.
Awarded Nov 3 at 12:35
Combinations within different elements
Awarded Nov 3 at 3:47
SR5: Chance of rolling 2 dice with a result of 5 or 6 and 4 dice with a result of one out of eight dice total
Awarded Nov 3 at 3:47
Expansion of cosine function by shifted chebyshev polynomials
Awarded Nov 3 at 3:47
Derivation of Stirling approximation from CLT
Awarded Nov 2 at 18:25
Which one is greater in each cases $\log_{2}(3)$ and $\log_{3}(4).$
Awarded Nov 2 at 16:54
How to find the angle created when joining two vertices of four adjacent squares
Awarded Nov 2 at 16:28
How do you find appropriate trig substitution for $\int \frac{\sqrt{16x^2 - 9}}{x} \, dx$?
Awarded Nov 2 at 14:34
Solving Linear System with Unit Vector Constraint
Awarded Nov 2 at 13:54
$g(x) = f(3x + 2)$. If $f ([2, 5])$ = $[10, 20]$, what is $g([0, 1])$?
Awarded Nov 2 at 5:58
Notation for multiple of a number?
Awarded Nov 2 at 0:23
Parallelogram formed by altitude, perpendicular construction, and angle bisector in a triangle
Awarded Nov 2 at 0:06
Laplace transform of heat conduction PDE in cylindrical coordinates.
Awarded Nov 1 at 17:50
Name for the concept of simplifying functions when a pole is present
Awarded Nov 1 at 5:11
Seeking elegant proof why 0 divided by 0 does not equal 1
Awarded Nov 1 at 3:33
Relationship between the weak law of large numbers and characteristic functions
Awarded Nov 1 at 0:33
A version of Van der Waerden's theorem
Awarded Oct 31 at 23:26
Statistics question: Estimating mean when standard deviation is known
Awarded Oct 31 at 18:30
An approximate algebraic solution to the (Internal) Grazing Goat Problem
Awarded Oct 31 at 9:53
Weak Law of Large Numbers for Uncorrelated and Bounded in $L^p$ for $p \in [1,2)$
Awarded Oct 31 at 7:54
Suppose $p$ is an odd prime. Show that $x^4 \equiv-1$ (mod $p$) has a solution if and only if $p \equiv1$ (mod $8$).
Awarded Oct 31 at 7:27
(post deleted or otherwise unavailable)
Awarded Oct 31 at 6:23
Reference request : using an analogy with differential equations to study recursive sequences
Awarded Oct 31 at 1:40
Can we find a nice definition of Congruence in Topology?
Awarded Oct 31 at 0:51
Geodesic on complex n-sphere
Awarded Oct 30 at 19:16
How to evaluate the integral $ \int_{0}^{1}\int_{0}^{1}\frac{\ln(xy)}{x+y}\,\mathrm{d}x\,\mathrm{d}y $?
Awarded Oct 30 at 14:39
(post deleted or otherwise unavailable)
Awarded Oct 30 at 10:19
An application of Weierstrass theorem?
Awarded Oct 30 at 7:05
Convergence of a sequence in C^2 from values at two points and uniform convergence of second derivatives
Awarded Oct 30 at 4:17
K Theory: Book Recommendations
Awarded Oct 30 at 0:35
Finite Ehrenfeucht-Fraisse games with infinite constants
Awarded Oct 29 at 20:20
The "magic diagram" is cartesian
Awarded Oct 29 at 17:40
Finding a upper bound on $||\nabla^2 f(x)||_{p,q}$ for p,q $\neq 2$ that is faster to calculate than eigenvalues or smaller.
Awarded Oct 29 at 3:55
Verify Fubini theorem for Dirichlet-like function in unit square
Awarded Oct 29 at 3:55
Can the squeeze theorem be used as part of a proof for the first fundamental theorem of calculus?
Awarded Oct 29 at 3:49
Why is the small strain hypothesis considered sufficient for finite strain linearization?
Awarded Oct 29 at 3:49
Calculating the probability of a discrete point in a continuous probability density function
Awarded Oct 29 at 3:49
How were the sine, cosine and tangent tables originally calculated?
Awarded Oct 29 at 1:47
How much choice follows from the existence of derangement?
Awarded Oct 28 at 18:23
(post deleted or otherwise unavailable)
Awarded Oct 28 at 14:51
Solving $2x\arcsin(\frac{x}{2})=\frac{\pi}{3}$
Awarded Oct 28 at 4:25
Finding the sum of angles in a pentagram using interior angles
Awarded Oct 27 at 23:51
Prove that a function with given condition is constant
Awarded Oct 27 at 18:52
For complex numbers in the third quadrant, should you add or subtract $\pi$ from $\arctan$?
Awarded Oct 27 at 18:27
Approximating the Lebesgue-Stieltjes measure of a set by using union of closed intervals from outside
Awarded Oct 27 at 17:14
How is Faulhaber's formula derived?
Awarded Oct 27 at 15:45
limits of trigonometric series
Awarded Oct 27 at 14:23
Quant Probability Question -- Exponential Distribution
Awarded Oct 27 at 10:31
Prove that any two consecutive terms of the Fibonacci sequence are relatively prime
Awarded Oct 27 at 8:45
Angle between inner normals of a convex domain and its gradient image
Awarded Oct 27 at 6:06
Is $H^2_h(\mathbb{D}^2) $ a Hilbert space?
Awarded Oct 27 at 1:47
database for the structure of groups
Awarded Oct 26 at 21:38
How do I solve this recurrence relation with a squared coefficient?
Awarded Oct 26 at 20:19
Can I infer $AB=C$ from $AB \vec r = C \vec r$?
Awarded Oct 26 at 18:20
Correspondence between the ideals of a ring R and its localization at a submonoid S
Awarded Oct 26 at 13:47
Monads and list filtering
Awarded Oct 26 at 12:28
Proof and applicability of an integral formula $\int_{0}^{\infty}\int_{0}^{\infty}\sin(xy)xf(x)\,\mathrm dx\,\mathrm dy$.
Awarded Oct 26 at 11:15
Genus of a Compact Riemann Surface
Awarded Oct 26 at 9:22
Four numbers are chosen from 1 to 20. If $1\leq k \leq 17$, in how many ways is the difference between the smallest and the largest number equal to k?
Awarded Oct 26 at 4:03
1 2 3
4
5
…
1335