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Results tagged with soft-question
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user 8697
Questions that are about research in mathematics, or about the job of a research mathematician, without being mathematical problems or statements in the strictest sense. Do not use this tag for easy or supposedly easy mathematical questions.
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vote
What's your favorite equation, formula, identity or inequality?
$$e=\lim_{n\to\infty}\sqrt[p_n]{\prod_{k=1}^np_n}$$
as seen at Gaussianos
$(\prod_{k=1}^np_n=p_n$# which is the primorial of the nth prime number $p_n)$
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