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Mathematics
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NN2
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answer
14
Three random points on $x^2+y^2=1$ are the vertices of a triangle. Is the probability that $(0,0)$ is inside the triangle's incircle exactly $0.13$?
Jan 28
answer
13
If $n$ can be expressed as $2x^2+3y^2$ with integers $x$ and $y$, then so can $7n$.
Jul 9, 2021
answer
12
Is there a way to use the solution of a polynomial to approximate the solution to a similar polynomial?
Oct 18, 2022
answer
11
Closed Form Formula for Nonlinear Recurrence $a_{n+1}=\frac{a_{n}}{2} + \frac{5}{a_{n}}$
Oct 15, 2022
answer
10
Maximizing $(x-y)^2(y-z)^2(z-x)^2$ where $x^2+y^2+z^2=1$
Mar 28
answer
10
Find minimum of $G = (x^3+y^3+z^3)\left(\frac{1}{x^3}+\frac{1}{y^3}+\frac{1}{z^3}\right)$
May 27
answer
10
What's $x^n = n!$ approximately
Feb 7, 2021
answer
9
Closed form for infinite sum involving Chebyshev polynomials
Mar 2
answer
8
Solve the system of equations: $32y+32x^3=6x+17$, $16z+32y^3=6y+9$, $8x+32z^3=6z+5$ where $x,y,z\in \mathbb{R}$
Mar 9, 2021
answer
8
HKMO-2020 Math contest
Apr 19, 2021
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