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user10444

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Top posts (77) All Questions Answers | Votes Newest

16 Showing that $\sqrt \pi$ is transcendental May 6 '13
9 Prove that f is differentiable in $\mathbb{R}$ Feb 4 '13
9 Finite Abelian groups: $G \times H \cong G\times K$ then $H\cong K$ Apr 23 '13
8 Proof of a trigonometric inequality Jan 9 '13
7 $f(x)=\displaystyle \sum\limits_{n=0}^{\infty}(-1)^n\frac{x^n}{n!n!}$ decreasing? Jan 14 '13
6 Order of an element in the factor group divides order or element Jan 16 '13
6 Show that $f(z)=\sqrt{|xy|}$ is not analytic at $(0,0)$ even though the Cauchy Riemann conditions are satisfied there. Feb 16 '14
5 Necessary and sufficient conditions for differentiability. May 9 '13
5 Is $\sum_{n=1}^{\infty}\frac{\log n}{n^{2}}$ convergent? How to show that? Apr 6 '14
5 composition of continuous functions Mar 2 '13
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