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richrow

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

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  • Member for 8 months
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Top posts (38) All Questions Answers | Votes Newest

6 Show that $(\binom{p^2}{p} -p ) $ is divisible by $p^5$, for every prime number $p, p\ge 5$ Apr 15
4 $f(x,y) - f(x,z) = g(y,z)$ implies $f(x,y) = a(x) + b(y)$ May 31
4 Number of positive real roots of $a_1x^{k_1}(x+1)^{m_1}+a_2x^{k_2}(x+1)^{m_2}+\ldots+a_nx^{k_n}(x+1)^{m_n}-1$ is at most $n^2+n+2$ Aug 8
3 Counting, Probability and Binomial Coefficients Jan 13
3 $[ABC]=s \cdot r$ (where s is the semi-perimeter and r is the inradius) Jan 23
3 How can I calculate this Riemann sum? May 31
3 Help in solving this geometry problem Mar 25
3 Combinatorial Proof (Argument) Mar 24
3 Proving inequality $(a+\frac{1}{a})^2 + (b+\frac{1}{b})^2 \geq \frac{25}{2}$ for $a+b=1$ Sep 13
2 $(x^{2022}+1)(1+x^2+x^4+…+x^{2020})=2022\cdot x^{2021}$ Aug 11
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