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Rezwan Arefin

Apparently, this user prefers to keep an air of mystery about them.

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  • Khulna, Bangladesh
  • Member for 5 years, 1 month
  • 624 profile views
  • Last seen May 27 '20 at 19:06

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16 What is the area of the circle? Jan 24 '16
13 BdMO 2016 National Secondary Problem 3. Dec 29 '16
11 How many non-negative integer solutions does the equation $3x + y + z = 24$ have? Jan 21 '16
10 Solve: $x = (x-\frac{1}{x}) ^ {1/9} + (1-\frac{1}{x})^{1/9}$ Feb 2 '16
10 BdMO 2016 National Junior Question 8. Dec 30 '16
10 A month for Olympiad-level geometry. Feb 3 '17
9 A Problem from BdMO 2016 Regionals Dec 26 '16
9 $p = \sqrt{1+\sqrt{1+\sqrt{1 + \cdots}}}$; $\sum_{k=2}^{\infty}{\frac{\lfloor p^k \rceil}{2^k}} = ? $ Feb 7 '16
7 Can both $n+3\; \text{and}\; n^2+3$ both be cubic numbers at same time? Jan 31 '17
7 Prove that for any even positive integer $n$, $n^2-1 \mid 2^{n!}-1$ Feb 2 '17
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