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Vinícius Novelli

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

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31 If $p\in\Bbb Z[X]$ show that: $ \max\limits_{x\in [0,1]}\left|p(x) \right| > \frac{1}{e^{n}}. $ Jul 30 '15
8 Trigonometric Functions Limit: $\lim_{x \to 0} \frac{1-\cos x}{x\sin x}$ May 11 '15
6 Gluing integral curves of two smooth vector fields May 14 '17
5 Show that if $c_n = \int_{-1}^1 (1-t^2)^\frac{n-1}{2}dt$ then $c_n = \frac{n-1}{n}c_{n-2}$ Mar 1 '17
4 Calculus: Proving an inequality equation with AM–GM inequality Nov 4 '14
4 Convergence of the integral of a product of functions. May 25 '15
4 How to derive the closed form of the sum of $kr^k$ Aug 28 '14
4 Proving by induction $5^{3n} + 2 \cdot 5^{2n} - 5^{n} - 2$ is divisible by $4$ Oct 10 '14
4 Compactness in $C^\infty(\Omega)$ Apr 1 '19
3 Using test functions to “test” whether functions vanish Dec 30 '15
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