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 Apr 20 reviewed Approve $\lim_{x\to\infty}{f(x)}=\lim_{x\to\infty}{g(x)}\Rightarrow\lim_{x\rightarrow\infty}{\frac{f(x)}{2^x}}=\lim_{x\rightarrow\infty}{\frac{g(x)}{2^x}}$? Apr 14 reviewed Approve How can you derive $\sin(x) = \sin(x+2\pi)$ from the Taylor series for $\sin(x)$? Dec 9 reviewed Approve In ΔABC prove that sides are in $AP$. May 5 reviewed Approve write down the domain of $f^{-1}$ Apr 21 reviewed Approve Integral question with square roots Apr 8 reviewed Approve Intuition behind Descartes' Rule of Signs Mar 13 reviewed Approve Conversion of bases with logarithms Dec 30 reviewed Approve find the following limit: $\lim\limits_{x \to 1} \left(\dfrac{f(x)}{f(1)}\right)^{\frac{1}{\log(x)}}$ Dec 27 reviewed Approve Prove that $\int_0^1{\left\lfloor{1\over x}\right\rfloor}^{-1}\!dx={1\over2^2}+{1\over3^2}+{1\over4^2}+\cdots.$ Dec 25 reviewed Approve Simplified form for $\frac{\operatorname d^n}{\operatorname dx^n}\left(\frac{x}{e^x-1}\right)$? Jul 23 reviewed Approve Solving logarithmic equation Dec 24 reviewed Approve How to prove $\zeta'(0)/\zeta(0)=\log(2\pi)$? Jul 9 reviewed Approve Orthogonal relation between divided functions.