luolimao
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 Jan4 awarded Teacher Jan4 answered Why is a norm a continuous function? (Question about existing proof) Dec22 revised Help finding the $\lim\limits_{x \to \infty} \frac{\sqrt[3]{x} - \sqrt[5]{x}}{\sqrt[3]{x} + \sqrt[5]{x}}$ fixed sign error Dec22 suggested approved edit on Help finding the $\lim\limits_{x \to \infty} \frac{\sqrt[3]{x} - \sqrt[5]{x}}{\sqrt[3]{x} + \sqrt[5]{x}}$ Dec12 revised Find the shortest distance from the point $P(0,1)$ to a point on the curve $x² - y² = 1$ , and find the point on the curve closest to $P$. Made formatting more visible, fixed formatting/typos Dec12 suggested approved edit on Find the shortest distance from the point $P(0,1)$ to a point on the curve $x² - y² = 1$ , and find the point on the curve closest to $P$. Nov5 awarded Scholar Nov5 suggested rejected edit on Finding rate of maximum temperature increase along surface Nov5 accepted Finding rate of maximum temperature increase along surface Nov5 comment Finding rate of maximum temperature increase along surface Oops, I thought you meant the orthogonal projection relative to the plane, not $\hat n$. Nov5 comment Finding rate of maximum temperature increase along surface I didn't quite understand the bit about the orthogonal projection; why does that have the smallest angle with $\nabla T$? And wouldn't the orthogonal projection be normal to the plane (as opposed to the projection which would lie in the plane)? Oct4 awarded Supporter Aug21 awarded Excavator Aug21 revised Calculating the Modular Multiplicative Inverse without all those strange looking symbols corrected typos Aug21 suggested approved edit on Calculating the Modular Multiplicative Inverse without all those strange looking symbols Jun6 revised Factoring Quadratic Trinomials fixed the math a bit; the equations were a bit misleading in their original form (and were not equal to another) Jun5 suggested approved edit on Factoring Quadratic Trinomials May28 awarded Tumbleweed May23 comment How to prove that $A\cap B\subseteq C$ and $A^c\cap B\subseteq C$ imply that $B\subseteq C$? Derp, should I just tack on "$\lor B \subseteq C$" to the end of the first 3 cases or give up now and delete this answer? May23 revised How to prove that $A\cap B\subseteq C$ and $A^c\cap B\subseteq C$ imply that $B\subseteq C$? added other accidentally omitted cases