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Imanol Pérez Arribas

Math student at UPV/EHU (Spain). I'm still in my third year, but I'm allways willing to learn more and more.

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  • Member for 7 years
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  • Last seen May 9 '17 at 13:12

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5 Summation involving totient function: $\sum_{d\mid n} \varphi(d)=n$ Mar 17 '14
4 Proving that the limit of $\root n \of {{a_1}^n + {a_2}^n + … + {a_k}^n}$ is $\max(a_1,…a_k)$ Mar 22 '14
4 Find the point on the y-axis which is equidistant from the points $(6, 2)$ and $ (2, 10)$. Mar 16 '14
3 Surjective and injective - example $\mathbb{R}^4 \to \mathbb{R}^3$ Mar 16 '14
3 Ordinary generating functions Apr 6 '14
2 Proof on a property of Stirling Numbers of the first kind Mar 29 '14
2 Set of elements of order 2 in a group. Apr 6 '14
2 $\alpha$ is a plane curve if and only if all its osculator planes intersect at one point May 25 '14
2 Does the following series converge or diverge? Mar 13 '14
2 the probability that a patient recovers from a rare blood disease Mar 13 '14
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