Top network posts

• 181 Why can a quadratic equation have only 2 roots?
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• 27 An integral for the New Year 2016
• 16 An ancient Japanese geometry problem: Three circles of equal radius inscribed in an isosceles triangle.
• 14 Proving $f:\Bbb R\rightarrow \Bbb R$ is onto where $f(x)=\frac{x^3}{x^2+1}$
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