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 Dec 6 accepted The minimum value of $\frac{a(x+a)^2}{\sqrt{x^2-a^2}}$ Dec 6 revised The minimum value of $\frac{a(x+a)^2}{\sqrt{x^2-a^2}}$ edited body; edited title Dec 6 comment The minimum value of $\frac{a(x+a)^2}{\sqrt{x^2-a^2}}$ Oops. It was for an applied optimization problem. It didn't explicitly say "maximum," but I didn't want to include the extra info, just the derivative. I will edit Dec 6 asked The minimum value of $\frac{a(x+a)^2}{\sqrt{x^2-a^2}}$ Dec 6 accepted Maximize area of a corral Dec 6 asked Maximize area of a corral Nov 1 accepted $a^4+b^2+c^2=2014$ Nov 1 asked $a^4+b^2+c^2=2014$ Oct 11 answered Graph single equation on calculator Sep 24 awarded Autobiographer Sep 17 awarded Tumbleweed Sep 15 accepted $\displaystyle \frac{d}{dx}2^x$ where $x=0$ Sep 15 comment $\displaystyle \frac{d}{dx}2^x$ where $x=0$ @Shahar Yes {need more characters} Sep 15 comment $\displaystyle \frac{d}{dx}2^x$ where $x=0$ @user164587 Haha, I hadn't ever noticed that. I'm in Calc 1 and we still use log as base 10 if not specified. And most, if not all calculators, naturally use base 10 Sep 15 revised $\displaystyle \frac{d}{dx}2^x$ where $x=0$ deleted 3 characters in body Sep 15 asked $\displaystyle \frac{d}{dx}2^x$ where $x=0$ Sep 14 comment Prove rigorously: $\displaystyle \lim_{x\rightarrow 2}x^2+5x=14$ So it's like squaring both sides? (But multiplying by equivalents) Sep 13 comment Prove rigorously: $\displaystyle \lim_{x\rightarrow 2}x^2+5x=14$ How did you find $|x-2||x+7|<(9+ \delta)\delta$? Sep 12 comment Prove rigorously: $\displaystyle \lim_{x\rightarrow 2}x^2+5x=14$ $\delta>|x-2|$? Sep 12 asked Prove rigorously: $\displaystyle \lim_{x\rightarrow 2}x^2+5x=14$