Top network posts

• 134 Why polynomials with coefficients $0,1$ like to have only factors with $0,1$ coefficients?
• 99 Visually stunning math concepts which are easy to explain
• 23 Prove $4-\sqrt{2}-\sqrt[3]{3}-\sqrt[5]{5} \gt 0$
• 19 Divisibility property for sequence $a_{n+2}=-2(n-1)(n+3)a_n-(2n+3)a_{n+1}$
• 18 Given $P(x)=x^{4}-4x^{3}+12x^{2}-24x+24,$ then $P(x)=|P(x)|$ for all real $x$
• 17 Proof that a group is abelian if every square is the identity.
• 15 Solving two-dimensional recurrence relation $a_{i,\ j}\ =\ a_{i,\ j-1}\ +\ a_{i-1,\ j-1}$
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