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Mathematics
Stanisław Maksicki's user avatar
Stanisław Maksicki's user avatar
Stanisław Maksicki's user avatar
Stanisław Maksicki
  • Member for 5 years, 8 months
  • Last seen more than 4 years ago
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question
5
Convex polygon inscribed in a circle with vertices that create matrix. Prove that the rank of this matrix is less or equal 2.
Feb 25, 2019
question
3
Find all natural numbers $n \geq 3 $ such that if matrix $A$ has certain properties (e.g. $A^n = I$) then $A = CBC^{-1}$
Feb 25, 2019
question
2
Let's assume that $ XA = AX $. Show that there is such a matrix $M$ that $ p_A(X) = M(A-X), MA=AM$ and $ MX=XM $.
Mar 18, 2019
question
1
Show that matrix $A$ is similar to a matrix $B$ with elements on diagonal $(0, ..., 0, \operatorname{Tr(}A))$ respectively.
Mar 18, 2019
question
0
Find $\lim_{x \to \frac{\pi}{2}} \frac{\tan 11x}{\tan 13x}$. How to choose an interval for this function s.t we can use L'Hospital's rule.
Mar 22, 2019
question
-3
Is the following statement true: $((A \Rightarrow B) \wedge (B \in C)) \Rightarrow A \in C$?
Jun 4, 2020