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Gerhard S.

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 3 years
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  • Last seen Aug 20 at 13:01

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13 Without using a calculator, is $\sqrt[8]{8!}$ or $\sqrt[9]{9!}$ greater? May 1 '18
6 Evaluating $\prod_{k=2}^{+\infty}\left(1-\frac{1}{k^2}\right)$ Sep 25 '17
5 A functional-differential equation Jul 11 '19
3 Help Finishing Archimedean Property Proof Sep 25 '17
3 Finding out the length between two points Oct 10 '17
3 Minima and maxima of $f(x,y)=e^{\frac{x}{2+y}}$ on $K=[-1,1]\times[-1,1]$ Aug 30 '18
3 Evaluating $\lim_{x \to \infty}\frac{1}{x}\int_0^x|\sin(t)|dt$ Nov 3 '18
3 How to show negative entropy function $f(x)=x\log(x)$ is strongly convex? Jan 17 '19
2 Why is the composition of a surjective and injective function neither surjective nor injective? Jan 3 '19
2 Maxima and minima of $x^2-x\sin x, x \in [0,\pi/2]$ Apr 29 '18
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