Mathematics
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Bérénice
  • Member for 6 years, 4 months
  • Last seen more than a week ago
  • France $\def\r{\Rule{.333em}{.5em}{.25em}}\color{#009}{\r}\color{#}{\r}\color{red}{\r}$
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About

Data scientist. I enjoy playing with numbers in my free time sometimes.

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All Questions Answers
Score Newest
answer
34
Show that the eigenvalues of a unitary matrix have modulus $1$
Mar 28, 2016
answer
17
real values of $x$ which satisfy the equation $\sqrt{1+\sqrt{1+\sqrt{1+x}}}=x$
Jun 22, 2016
answer
16
Solve $\int \frac{1}{\sin ^{\frac{1}{2}}x \cos^{\frac{7}{2}}x}dx$
Mar 21, 2017
answer
15
How to find $\int \frac{x^2-1}{x^3\sqrt{2x^4-2x^2+1}} dx$
Jul 2, 2016
answer
15
If $f\circ f\circ f=id$, then $f=id$
May 9, 2016
answer
9
Order of a center of a group is prime order
Jul 14, 2016
answer
8
If $|G|=pq$ where $p,q$ are primes that are not necessarily distinct, prove the order of $Z(G)=1$ or $pq$.
Jul 14, 2016
answer
8
Let A be a square matrix of order $3$ with integer entries such that $\det(A)=1$.
Jun 3, 2016
answer
8
If $f$ is entire and $\lim_\limits{z\to\infty} \frac{f(z)}{z} = 0$ show that $f$ is constant
Apr 16, 2016
answer
7
inclusion-exclusion principle - challenging problem
Apr 9, 2016
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10
Cut even circles out of felt
6
How to draw mandala when I intend to color it with pencil colors?
5
What are the specifications of the paper required for pencil color drawings?

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