Andrey Rekalo
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 Oct2 reviewed Close Proving $\sqrt{\tan(\alpha)\tan(\beta)+5}+\sqrt{\tan(\alpha)\tan(\gamma)+5}+\sqrt{\tan(\beta)\tan(\gamma)+5}\le4\sqrt{3}$ Oct2 reviewed Close How can I find the formula used to produce this number? Sep30 reviewed Close Probability question- HELP! Sep30 reviewed No Action Needed Prove that $\sum_{n=1}^{\infty}\frac{(-1)^n}{n}\left\lfloor\frac{\log(n)}{\log(2)}\right\rfloor=\gamma$ Sep22 reviewed Close Atlas on sphere $S^n$ Sep22 reviewed No Action Needed Find the minimum value of a function with additional condition Sep17 reviewed Close Diagonalizability of an involution over a Field Sep17 reviewed Leave Open Constructing a sequence of functions Sep17 reviewed No Action Needed Proof for solar declination angle? Sep17 reviewed Leave Closed What is the correct answer to this answered combinatorics problem? Sep17 reviewed Leave Closed How to find a homeomorphism $\mathbb{R}^{n}\rightarrow\mathbb{R}^{n}$ having certain properties Sep16 reviewed Close Proving that $f(x)=3^x$ is one-to-one Sep14 reviewed Close Show that $n>(\log n)^k$ for sufficiently large values of $n$ Sep14 awarded Reviewer Sep14 reviewed Close where is the mistake with my fake proof? Sep13 reviewed No Action Needed A fly on a triangle? Sep13 reviewed Close How do I find all points on the y-axis that are a distance 6 from P(5,3)? Sep13 reviewed Close group theory subgroup homework question Sep13 reviewed Close What are some good subtly incorrect proofs of obviously incorrect results? Sep12 reviewed Looks OK The Kabrastan Park probability question