Top network posts

• 166 Proving the identity $\sum_{k=1}^n {k^3} = \big(\sum_{k=1}^n k\big)^2$ without induction
• 52 Prove that if $(ab)^i = a^ib^i \forall a,b\in G$ for three consecutive integers $i$ then G is abelian
• 39 Proving that the set of limit points of a set is closed
• 27 Is there a constructive way to exhibit a basis for $\mathbb{R}^\mathbb{N}$?
• 27 Zero probability and impossibility
• 21 Mathematical suggestions for a long commute
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