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Apr
27
answered Understanding the equality $x^k(1-x)^{-k} = \sum_{n = k}^{\infty}{{n-1}\choose{k-1}}x^n$
Apr
26
answered Galois group of a quartic which is also a quadratic in $x^2$
Apr
24
answered Powers-of-10-multiples of $\pi$ (or any irrational) are dense
Apr
22
answered Papers with unorthodox writing style
Apr
21
answered All kinds of Row Space of a matrix
Apr
13
answered Given $m$, $n$, and $x$ is it possible to know whether there exists a $c$ and $i$ such that $m^ci \equiv x\pmod{mn - 1}$
Apr
10
answered Why matrices are multiplied the way they are multiplied?
Apr
9
answered Unconventional mathematics books
Apr
9
answered Unconventional mathematics books
Apr
6
answered Find p, q, r different primes
Apr
6
answered Why is $a_{214}$ nonintegral where $a_0 = 1, a_{n+1}=\frac{1 + a_0^5 + \cdots + a_n^5}{n + 1}?$
Apr
4
answered Character Table, Row and Column orthogonality, Conjugacy Classes
Apr
3
answered Are all of the following statements equivalent? (vectors and matrices)
Apr
2
answered Composition of three quadratic functions
Mar
8
answered Norm of matrix and its maximum eigenvalue
Mar
6
answered What are some common proof strategies in mathematics?
Mar
5
answered Extending a monomorphism $K \to E$ to an automorphism of $E$
Mar
5
answered Row/Column operations of a parity check/generator matrix for a linear code
Feb
28
answered What does Terence Tao mean by the statement “primes behave randomly”?
Feb
23
answered Examples of rank subadditivity equality