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Mathematics
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user3265447
  • Member for 3 years, 5 months
  • Last seen more than 1 year ago
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3
If $A^3B-B$ is invertible then $BA-B$ is invertible.
Mar 22, 2021
3
Solution of $T(n)=2T(n/2)+\log(\log n))$
Apr 11, 2021
3
Is this function differentiable? Is this directional derivative correct?
Jun 18, 2021
3
Prove 20-3-SAT is NP-Complete
Aug 10, 2022
1
The function $\arcsin(\sin(x))$
Mar 20, 2021
1
Find $f(x)=\sum_{n=1}^{\infty}\frac{(-1)^{n+1}}{n(n+1)}x^{n+1}$
May 17, 2021
1
Prove that set $A=\{{(x,x)\in \mathbb R ^2 | x \in \mathbb R\}}$ is open/closed/none
Jun 4, 2021
1
Question about finding 2 non-similar matrices
Aug 12, 2021
0
Help with Prove or disprove question
Jan 29, 2021
0
A counter for: If $f+f^{-1}$ is diagonalizable then $f$ is diagonalizable.
May 7, 2021
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5
Create a new album in the gallery and save images to it