Mathematics
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SacAndSac
  • Member for 1 year, 6 months
  • Last seen more than a month ago
  • Liège, Belgium
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Asked if he believes in one God, a mathematician answered: " Yes, up to isomorphism."

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All Questions Answers
Score Newest
answer
4
When is $d^{2} x$ =0?
May 6, 2022
answer
4
How to prove that $\frac{x}{1+x^2}$ is not injective?
Apr 7, 2022
answer
3
Obtain a function by it's even or odd part
Apr 8, 2022
answer
3
Study the convergence of $\int_0^\infty \frac{1}{x} e^{\frac{-1}{x}} dx$
May 5, 2022
answer
3
$30\%$ students have glasses. $20\%$ of students with glasses play. $60\%$ of students without glasses play. Probability, student without glass plays.
Apr 11, 2022
answer
3
Help with proof regarding Fibonacci sequence?
Apr 12, 2022
answer
3
Proof verification: If f is injective, f has a left inverse
Apr 5, 2022
answer
3
$\lim_{\hat{h} \to \hat{0}} \frac{\|L(\hat{h})\|}{\|\hat{h}\|} = 0 ~~~~ \Longrightarrow ~~~~ L \equiv 0$
Apr 18, 2022
answer
3
How do I find the probability distribution of the random variable $g(X)$?
Apr 2, 2022
answer
2
On the identification of $\mathbb R^4\wedge\mathbb R^4$ with the set of antisymmetric matrixes in $\mathbb R^{4\times 4}$
Apr 12, 2022

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