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# 21 Reviews

 Nov25 reviewed Approve Consider the following limit: $\lim_{n \to \infty } \frac{\ln(1+n)-\ln(n^{2})}{\sin(1/n)}$ Jul15 reviewed Edit nth term derivative with f(0) plugged in Jun13 reviewed Approve Multiplicative inverse of $0$ Apr25 reviewed Approve Determinant of a sum of matrices Mar29 reviewed Approve About $\lim_{x\rightarrow 0}\frac {\sin x}{x} = 1$ Mar13 reviewed Approve $SO(n)$ is connected Mar12 reviewed Approve Should an undergrad accept that some things don't make sense, or study the foundation of mathematics to resolve this? Mar6 reviewed Approve Solve the differential equation: $(y^2-xy)dx+x^2dy=0$ Feb28 reviewed Approve If $x=1\mod3$ and $x=0\mod2$, what is it $\mod6$? Feb26 reviewed Reject Multiplying matrices of matrices Feb24 reviewed Approve Indefinite Integral $\int \sin (x) \ln (\tan (x))dx$ Feb9 reviewed Approve Is there a method to memorizing $\pi$? Jan6 reviewed Approve How to form a differential equation, given temperature and direction of heat flow Jan5 reviewed Reject Prove that $4$ is the only solution to $2+2$. Dec6 reviewed Leave Open Are all good mathematicians fluent in computational aspects of mathematics Dec6 reviewed Edit Using Laplace transform to solve an IVP Nov24 reviewed Edit How to prove the equation $\cos x=2x$ has only one solution? Sep17 reviewed Reject Property of $W_0^{1,p}(\Omega)$ Aug4 reviewed Edit Compute $\int_{\mathbb {R}}\sin \left(\frac {\pi x}{x^2+1}\right)\frac{1}{x^2+1} dx$ May3 reviewed Looks OK Fourier Transform calculation