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Mathematics
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Petronella's user avatar
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Petronella
  • Member for 3 years, 5 months
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8
Nested radical question from Harvard MIT maths competition
Dec 6, 2022
6
Prove that $x$ is bounded.
Dec 29, 2022
6
evaluate $\lim_{n\to\infty}\frac{\sum_{i=0}^{n+3}\frac{1}{i+1}}{\sum_{i=0}^{n+7}\frac{1}{2i+1}}$
Dec 18, 2023
5
Proving a certain equality only holds for $p=2$
Nov 13, 2022
3
Circles packed between $y=1/x$ and $y=0$ in the first quadrant: What is the radius of the $n$th circle?
Dec 3, 2022
2
Show that the arc length is a limit of lengths of inscribed polygons.
Nov 8, 2022
2
An attempt at showing that function is lipschitzian
Nov 8, 2022
2
How does positive homogeneity of degree $1$ yield linearity?
Nov 10, 2022
2
Let $\{\phi_n\}$ be an orthonormal set in $L^2(\mu)$, $g\in L^2(\mu)$ such that $|\phi_n(x)|\le |g(x)|$ and $\sum a_n\phi_n(x)$ converges a.e.
Dec 6, 2022
2
How to prove this set has infinite measure
Dec 8, 2022