تقرير
Creative proofs in combinations
العنوان: | Creative proofs in combinations |
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المؤلفون: | Arab, Mohammad |
سنة النشر: | 2021 |
مصطلحات موضوعية: | Mathematics - Combinatorics, 05A15, 05A20 (Primary) 05A10, 11B57, 11P81 (Secondary) |
الوصف: | In this article, we present four issues and provide a creative and concise proof for each of them. The four issues are: 1- Inequality $\frac{1}{\sqrt{n\pi+\frac{\pi}{2}}}<\frac{\binom{2n}{n}}{2^{2n}}<\frac{1}{\sqrt{n\pi}}$ 2- A special case of Jonathan Wilde's problem 3- Combination series 4- A feature of powerful numbers. Comment: 15 pages |
نوع الوثيقة: | Working Paper |
URL الوصول: | http://arxiv.org/abs/2112.08020 |
رقم الأكسشن: | edsarx.2112.08020 |
قاعدة البيانات: | arXiv |
الوصف غير متاح. |