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user296113

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

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  • Last seen Jan 19 at 8:34

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31 Prove that the infinite sum $\sum_{n=1}^{\infty} \frac{F_{n}}{ 10 ^ n }$ converges to a rational number Jan 5 '17
13 $s_n = \sum_{k=1}^{n} a_k$ and $\sum_{n=1}^{\infty} a_n = \infty$ imply $\sum_{n=1}^{\infty} \frac{a_n}{s_n^2}$ converges! Dec 16 '17
12 Prove that a symmetric matrix with a positive diagonal entry has at least one positive eigenvalue Mar 27 '16
11 How do I show the series $\sum{\frac{1}{\log(n)^{\log(n)}}}$ converges? Apr 11 '16
9 How many entries in a symmetric matrix can be chosen independently? Mar 6 '16
8 Converge? $\sum_{k=1}^{\infty}\frac{ \sin \left(\frac{1}{k}\right) }{k} $ Mar 15 '16
8 Determine matrix of linear map Jun 20 '16
7 Linear transformation from $\mathbb{R}^3 \to \mathbb{R}$ Mar 6 '16
7 Calculate the determinant of this $5 \times 5$ matrix May 14 '18
6 Do exist an injective linear map from $\mathbb{R}^5\rightarrow\mathbb{R}^4$ Jun 19 '17
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