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TheSilverDoe
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38
If two matrices have the same characteristic polynomial then do they have the same determinant?
Jun 24, 2023
20
Upper bound on an integral
Jun 26, 2023
19
Sum of Rows of Vandermonde Matrix
Nov 6, 2023
19
Show that $\det(A) = 0$ or $\mathrm{tr}(A)=0$
Aug 27, 2020
17
An interesting trigonometric integral
Jun 20, 2023
13
How to define limit operations in general topological spaces? Are nets able to do this?
Mar 17, 2019
13
A particular linear recurrence relation
Nov 4, 2023
13
Show that there exists $c\in[a,b]$ such that $f(c)=0$.
Aug 26, 2020
12
If in a finite group such that $\forall x\exists y:x=y^3$ then its order can't be divided by $3$
Apr 26, 2021
11
Does $\sum\limits_{k=1}^{n}\frac{(-1)^k}{k}(-1)^n$ converge?
Nov 7, 2020