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Dec
27
answered Why aren't integration and differentiation inverses of each other?
Dec
19
answered Convergence in $L^2$ norm
Dec
18
answered Using the geometric distribution to find the probability that between 4 and 6 devices will be tested
Dec
18
answered Is {(1, 1), (2, 2)} symmetric and/or antisymmetric?
Sep
10
answered What is the meaning of this (potentially humorous) mathematical equation?
Nov
7
answered How to put 9 pigs into 4 pens so that there are an odd number of pigs in each pen?
Oct
17
answered Distinguishing the Cylinder from a “full-twist” Möbius strip
Oct
14
answered Irreducible subsets of a topological space
Jul
18
answered Burau matrix of braid
Nov
2
answered Can we express $\sin 1^\circ$ in a real closed, not repetitive, radical forms?
Oct
17
answered How is the error term in the Taylor expansion of a function arrived at?
Oct
7
answered Commutator relationship proof $[A,B^2] = 2B[A,B]$
Oct
6
answered Can vectors be inverted?
Sep
28
answered Can a subgroup generated by two finite subgroups be infinite?
Sep
25
answered Example of a union of subfields that is not a field
Sep
16
answered Injective function from $\mathbb{R}^2$ to $\mathbb{R}$?
Sep
6
answered Is there an closed form solution to the equation: $ae^a=1$
Sep
2
answered How to check if a point is inside a rectangle?
Sep
1
answered Does $(\mathbf A+\epsilon \mathbf I)^{-1}$ always exist? Why?
Aug
20
answered Brute force method of solving the cube: How many moves would it take?