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 Oct 16 awarded Notable Question Sep 24 awarded Popular Question Jul 2 awarded Curious Jul 2 awarded Yearling Nov 12 awarded Popular Question Jul 2 awarded Yearling May 22 revised Choice of numbers in calculating $\lim_{x\rightarrow 0}\frac{e^{2x}-1}{\sin 3x}$ added 1 characters in body May 22 comment Choice of numbers in calculating $\lim_{x\rightarrow 0}\frac{e^{2x}-1}{\sin 3x}$ Ah, yes, I meant 2x, question is updated. May 22 asked Choice of numbers in calculating $\lim_{x\rightarrow 0}\frac{e^{2x}-1}{\sin 3x}$ May 14 asked Primitive function of $x^3 \sin x^2$ May 12 asked $\frac{(x + \sqrt{x}) - (x-\sqrt{x})}{\sqrt{x+\sqrt{x}}+\sqrt{x-\sqrt{x}}} = \frac{2}{\sqrt{1+\frac{1}{\sqrt{x}}}+\sqrt{1-\frac{1}{\sqrt{x}}}}$? Jan 21 asked How come $\int_{-\infty}^\infty \! e^{-|t|} \, \mathrm{d} t = 2\int_{0}^\infty \! e^{-|t|} \, \mathrm{d} t$? Jan 20 revised What is the limit of $\frac{e^{6x}-2e^{3x} + 1}{x^2}$, as $x \rightarrow 0$? edited title Jan 20 asked What is the limit of $\frac{e^{6x}-2e^{3x} + 1}{x^2}$, as $x \rightarrow 0$? Jan 20 answered What is the limit of $\frac{e^{6x}-2e^{3x} + 1}{x^2}$, as $x \rightarrow 0$? Jan 20 accepted Approaching infinity with volume of turning body Jan 19 comment Approaching infinity with volume of turning body The answer is $2\pi\left[ \ln \frac{t}{t+1} + \frac{1}{t+1} \right ]_1^\sqrt{w}$ Jan 19 comment Approaching infinity with volume of turning body That's my thinking, yes, but it doesn't seem to be it according to the text book answer. Jan 19 asked Approaching infinity with volume of turning body Jan 18 awarded Critic