Top network posts

• 19 Is it possible to have three real numbers that have both their sum and product equal to $1$?
• 10 Every torsion-free group is an abelian group?
• 10 If a function is continuous at point $a$, does there always exist point $b$ such that the function is Riemann integrable $[a,b]$?
• 8 Can we deduce $f(x)=$const from $f(px)=f(x)$
• 8 Prove that $\sqrt{2}+\sqrt{3}$ is irrational.
• 6 Solve the equation $\tan(2x) = 1+\tan(x)$
• 6 Continuity in a compact metric space.
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