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 Apr17 suggested approved edit on Solving integral $\int \frac{x+\sqrt{1+x+x^2}}{1+x+\sqrt{1+x+x^2}}\:\mathrm{d}x$ Apr16 suggested approved edit on A question on convergence of Fourier series and the derivative of the function Feb26 suggested approved edit on Bessel functions: proof that $J_0(z)=\frac{1}{\pi}\int_0^\pi e^{i z \cos(\theta)}d \theta$. Nov12 suggested approved edit on Why factorials when divided by factorials less than the number have a remainder 0? Jun10 suggested approved edit on Solving the integral $\int_{0}^{\infty} \frac{\sin{x}}{x} \ dx = \frac{\pi}{2}$? Jun3 suggested approved edit on Ways of solving recurrence relation for $a(15)$ Apr18 suggested approved edit on Turing Machine question, this is NOT HW Mar7 suggested approved edit on Equal angles formed by the tangent lines to an ellipse and the lines through the foci. Jan29 suggested approved edit on Limit of a Function: $\lim_{x \to 0}\ (e^x + x)^ {\large \frac {1} {x}}$ Jan7 suggested approved edit on Discrete Maths question Jan4 suggested rejected edit on Prove that if $\sigma(n)=2n+1$ then $n$ is an odd perfect square. Dec19 suggested approved edit on How to prove $\gcd(a^m-b^m,a^n-b^n) = a^{\gcd(m,n)} - b^{\gcd(m,n)}$? Dec12 suggested approved edit on $e^x-x-4$equating with zero