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miercuri, 2 aprilie 2025

A Strange Wild Song (Poem by Lewis Carroll) and A topological juggle

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            A Strange Wild Song (Poem by Lewis Carroll) Written circa 1870                         A preparatory problem for the Kangaroo co...
joi, 27 martie 2025

Quadratic Fields in the "Revista Matematică (a Elevilor) din Timişoara

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            Quadratic fiels are a very serious mathematical notion. A book accessible to any schoolchild is Mak  T RIFKOVI Ć - Algebraic T...
miercuri, 19 martie 2025

Mathematical Induction by Ear // Kulakla Matematiksel Tümevarım

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               Forgive me, Turkish-speaking friends, if I have distorted the expression " a   cânta după ureche " . Maybe, I don...
sâmbătă, 8 martie 2025

The Integral $\int \frac{1}{ax^2+bx+c}dx$ in Problem 29046

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          It was said in DidMath  No. 1/2024 at page 17 that the arctangent function bothers us in the calculation of integrals. Such a situ...
joi, 6 martie 2025

O Problemă cu cașu' rezolvată de CIOBANU // Problem 1300 - CMJ vol 56 issue 2

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 The problem  1300 is compounded by my compatriots .  The title of the post is intended to be an innocent joke.           We have to show th...
miercuri, 5 martie 2025

A Problem in Litigation : by Cristian OLTEANU

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          The author of Problem #4 in the image is a diligent GMB contributor. The problem was given to 8th graders during the " Nicola...
marți, 4 martie 2025

By-products of PRODUCT // Ürün yan ürünleri

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               Here we will demonstrate the formulas $$\sin \frac{\pi}{2n+1}\cdot\sin \frac{2\pi}{2n+1}\cdot_{\dots} \cdot\sin \frac{n\pi}{2...