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Przemysław Scherwentke

English is not my mother tongue, so please feel free to correct my answers and questions.

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79 Are there periodic functions without a smallest period? Oct 31 '14
42 Prove that any real number can be expressed as the sum of two irrational numbers Apr 18 '18
28 Easy example why complex numbers are cool Dec 23 '14
20 Any finite set is compact; what exactly is a finite set? Dec 15 '14
19 Fundamental Theorem of Calculus: Why Doesn't the Integral Depend on Lower Bound? Jan 1 '15
17 If and when a linear system has exactly three solutions Oct 19 '17
14 Some clever trick is required for this Integral with irrational power of cosine as integrand. May 12 '15
13 Why doesn't $\ln (x)$ have a horizontal asymptote even though its derivative is $1/x$? Dec 18 '14
13 How to prove $\sqrt[\pi]{e} < \sqrt[\pi]{\pi}<\sqrt[e]{e}< \sqrt[e]{\pi}$ Nov 20 '14
12 Bernoulli's inequality and an unexpected limit Nov 11 '14
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