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 Nov 25 reviewed Approve Consider the following limit: $\lim_{n \to \infty } \frac{\ln(1+n)-\ln(n^{2})}{\sin(1/n)}$ Jul 15 reviewed Edit nth term derivative with f(0) plugged in Jun 13 reviewed Approve Multiplicative inverse of $0$ Mar 29 reviewed Approve About $\lim_{x\rightarrow 0}\frac {\sin x}{x} = 1$ Mar 13 reviewed Approve $SO(n)$ is connected Mar 12 reviewed Approve Should an undergrad accept that some things don't make sense, or study the foundation of mathematics to resolve this? Mar 6 reviewed Approve Solve the differential equation: $(y^2-xy)dx+x^2dy=0$ Feb 28 reviewed Approve If $x=1\mod3$ and $x=0\mod2$, what is it $\mod6$? Feb 24 reviewed Approve Indefinite Integral $\int \sin (x) \ln (\tan (x))dx$ Feb 9 reviewed Approve Is there a method to memorizing $\pi$? Jan 6 reviewed Approve How to form a differential equation, given temperature and direction of heat flow Jan 5 reviewed Reject Prove that $4$ is the only solution to $2+2$. Dec 6 reviewed Leave Open Are all good mathematicians fluent in computational aspects of mathematics Dec 6 reviewed Edit Using Laplace transform to solve an IVP Nov 24 reviewed Edit How to prove the equation $\cos x=2x$ has only one solution? Sep 17 reviewed Reject Property of $W_0^{1,p}(\Omega)$ Aug 4 reviewed Edit Compute $\int_{\mathbb {R}}\sin \left(\frac {\pi x}{x^2+1}\right)\frac{1}{x^2+1} dx$ May 3 reviewed Looks OK Fourier Transform calculation Apr 30 reviewed Edit How do you evaluate $\int e^{-7x}\cos^3(4x)\sin^2(4x)dx$?