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Leox

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

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73 Is π equal to 180$^\circ$? Feb 16 '15
11 What is $\frac{1}{1+\sqrt[3]{2}}$ in $\mathbb{Q}(\sqrt[3]{2})$? Dec 22 '15
10 Solve the functional equation $\frac{f(x)}{f(y)}=f\left( \frac{x-y}{f(y)} \right)$ Jun 6 '15
10 Find all prime solutions of equation $5x^2-7x+1=y^2.$ Jan 27 '17
9 Evaluating $ \sum\frac{1}{1+n^2+n^4} $ Oct 10 '14
8 Why is probability density function is always positive? Sep 29 '13
8 Calculate the binomial sum $ I_n=\sum_{i=0}^n (-1)^i { 2n+1-i \choose i} $ Sep 18 '14
7 How to represent Fermat number $F_n$ as a sum of three squares? Sep 17 '14
7 $p$-adic valuation of harmonic numbers Jan 5 '16
7 Product of consecutive natural numbers Sep 1 '17
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