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Mathematics
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DesmondMiles
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  • California, United States
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15
Maximum odd number of subsets, each intersects exactly half of the others
Jan 12, 2020
14
Family of sets with $|F_i| \equiv 2\pmod 3$ and $|F_i \cap F_j| \equiv 0 \pmod 3$
Dec 26, 2021
12
Polynomials with $f(\sin x) = f(\cos x)$
Jun 6, 2019
10
Can every odd integer greater than $1$ be written as a product of fractions $\frac{4m+1}{2m+1}$?
May 6, 2020
10
Convergence of $\sum_{p>2} \frac{(-1)^{\frac{p-1}{2}}}{p}$
Jul 15, 2020
9
Proving $\int_0^\infty\frac{\mathrm dw}{(n+w)(\pi^2+(\log w)^2)}=\frac1{\log n}-\frac1{n-1}$ for any positive integer $n\geq 2$
May 9, 2020
8
$a^3 + b^3 + c^3 = 4abc$ has no positive integer solutions
14 hours ago
8
$x^5 + x^4 +1$ to be a perfect square
Mar 12, 2019
8
Solve system of equations $3(x+\frac{1}{x}) = 4(y + \frac{1}{y}) = 5(z+\frac{1}{z})$, $xy+yz+zx = 1$
May 27, 2021
7
Limit $\lim _{t\to 0 }\frac{ \int_0^{\infty} \frac{e^{-xt}}{\pi^2+(\log x)^2}dx }{ \int_0^{1/t}\frac{dx}{(\log x)^2}}$
May 9, 2020