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May
14
answered Theoretical way to prove no positive integer $n$ exists such that $n+3$ and $n^2+3n+3$ are both perfect cubes.
May
13
answered Number of conjugacy classes in a finite non-abelian simple group
May
9
answered Quadruple of Pythagorean triples with same area
May
9
answered Math problems that are impossible to solve
May
6
answered Give an example of a singular matrix in $M_{3×3}(Q)$ the entries of which are distinct prime positive integers, or show that no such matrix can exist.
May
5
answered What is meant by $\big[T\big]_{\mathcal B^\prime, \mathcal B}$?
May
4
answered Difference between generalized cuban primes and cuban primes.
May
2
answered Recursive solution to “Number of subsets of a set without 3 following numbers”
May
2
answered Solving (one variable) Linear Equation by Dividing Slope by Constants Accumulation?
May
1
answered Should the order of $a^k$ be $h/k$ as opposed to $h/(h,k)$?
May
1
answered Whether the terms Bases function and Basis function are same or differen?
Apr
29
answered Is it possible to create hierarchy basis?
Apr
28
answered What is the rank of the matrix in this situation?
Apr
27
answered Arithmetic functions proof
Apr
27
answered Matrix of T w.r.t. B is Diagonal or upper triangular.
Apr
25
answered Cover a cicular hole with planks
Apr
21
answered How many numbers smaller that $N$ can be written as a sum of two square numbers?
Apr
21
answered I need to prove whether two sequences are equidistributed or not
Apr
21
answered Finite amount of primes in sequence
Apr
21
answered Social Golfer Problem - Quintets