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 Sep 11 suggested rejected edit on Find $m_1 , m_2,m_3,m_4\in\mathbb{Q}$ s.t. $\forall a_k,b_k\in\mathbb Z,\,m_1(a_1^2+a_2^2)+m_2(a_3^2+a_4^2)\neq m_3(b_1^2+b_2^2)+m_4(b_3^2+b_4^2)$ Aug 21 suggested approved edit on How to solve this and what is this number called? Aug 19 suggested approved edit on How can I bring $\sin(x)$ to the following form? Jul 21 suggested approved edit on How to solve the equations system? Mar 4 suggested rejected edit on Is the intersection empty? Feb 26 suggested approved edit on Calculate the integral $\int_{\varGamma}\frac{3e^{z}}{1-e^{z}}dz$ Feb 23 suggested approved edit on Using quotient rule to differentiate Feb 10 suggested approved edit on Evaluating $\int\frac{3x+1}{2x^2-2x+3}dx$ Feb 6 suggested approved edit on What is $\displaystyle\lim_{n \to \infty} \space n^2\int_{0}^{1/n} x^{x+1} dx$? Jan 29 suggested approved edit on why the square root of x equals x to the one half power Jan 25 suggested approved edit on Calculate the $\displaystyle\lim_{x\longrightarrow\infty} \left(\frac{x+\ln x}{x-\ln x}\right)^{\frac{x}{\ln x}}$. Jan 25 suggested approved edit on Calculate the $\displaystyle\lim_{x\longrightarrow\infty} \left(\frac{x+\ln x}{x-\ln x}\right)^{\frac{x}{\ln x}}$. Jan 20 suggested approved edit on proof of function being not continuous Jan 3 suggested approved edit on Find the equation of the tangent and normal to the curve $y = x + \frac{1}{x}$ at $x = 1$. Aug 31 suggested approved edit on Trigonometric Coincidence Aug 25 suggested rejected edit on How hard is the proof of $\pi$ or $e$ being transcendental? Aug 14 suggested approved edit on An Interesting Question about Pythagorean Triples Aug 4 suggested approved edit on Zeta-like function with offset