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====== Problem of the Week ====== | ====== Problem of the Week ====== | ||
~~NOTOC~~ | ~~NOTOC~~ | ||
- | <box 85% round orange|Problem 1 (due Monday, February 17) > | + | <box 85% round orange|Problem 7 (due Monday, May 6) > |
- | Let $d(n)$ be the smallest number such that among any $d(n)$ points inside a regular $n$-gon with side of length 1 | + | Prove that for every $n\geq 1$ the number |
- | there are two points whose distance from each other is at most 1. Prove that | + | \[ \frac{(1^2+2^2+\ldots + n^2)!}{(1!)^2\cdot(2!)^3\cdot(3!)^4\cdot\ldots \cdot(n!)^{n+1}}\] |
- | + | is an integer. | |
- | (a) $d(n)=n$ for $n\leq 6$. | + | |
- | + | ||
- | (b) $\displaystyle \lim_{n\to \infty} \frac{d(n)}{n}=0 $. | + | |
</box> | </box> | ||
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===== Previous Problems and Solutions===== | ===== Previous Problems and Solutions===== | ||
+ | * [[pow:Problem6s24|Problem 6]] Solved by Sasha Aksenchuk. | ||
+ | |||
+ | * [[pow:Problem5s24|Problem 5]] We did not receive any solutions. | ||
+ | |||
+ | * [[pow:Problem4s24|Problem 4]] A solution submitted by Beatrice Antoinette. | ||
+ | |||
+ | * [[pow:Problem3s24|Problem 3]] Solved by Mithun Padinhare Veettil. | ||
+ | |||
+ | * [[pow:Problem2s24|Problem 2]] A solution submitted by Sasha Aksenchuk. | ||
- | * [[pow:Problem1s24|Problem 1]] Solutions submitted by | + | * [[pow:Problem1s24|Problem 1]] Solutions submitted by Sasha Aksenchuk and Maximo Rodriguez. |
* [[pow:Fall 2023]] | * [[pow:Fall 2023]] |