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idok

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

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8 A diophantine equation with unknown exponents: $ 4^n + 5^n = 7^m + 2^m $ Jan 26 '18
7 why does $\left(x+1\right)^{\frac 1x} =e$ when $x=0$ Jan 6 '18
7 Proof in graph theory: maximum degree and number of leaves. Jan 26 '18
6 Prove that $3^{2n-1} + 2^{n+1}$ is always a multiple of $7$. Mar 7 '18
6 Solve $f(x+f(2y))=f(x)+f(y)+y$ Dec 19 '17
6 Can we equate coefficients of power series over inequalities? Dec 23 '17
5 Can elements in a group have more than one inverse Jan 4 '18
4 Triangular numbers is relating to Pythagoras triples Dec 21 '17
3 A Follow up question of **Confused by limit superior and limit inferior definition** Dec 30 '17
3 Find all $n$ for which exist homomorphism onto $(\mathbb{Z}_n, +)$ Dec 30 '17
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