Mathematics
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Zaragosa
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All Questions Answers
Score Newest
answer
22
Proving $\sum_{n=1}^{99}\frac{\sqrt{n+1}-\sqrt{n}}{2n+1}\lt\frac9{20}$
Nov 8, 2021
answer
10
Help me on this Equation
Mar 2, 2022
question
9
Applications of the Poincaré-Bendixson theorem
Feb 22, 2022
question
8
Proving $\log\left(\frac{4^n}{\sqrt{2n+1}{2n\choose n+m}}\right)\geq \frac{m^2}{n}$
Jul 22, 2020
answer
6
Evaluate the limit of $(1/n)( \sin (\phi/n) + \sin (2\phi/n) + … + \sin ((n-1)\phi/n))$
Dec 28, 2021
question
6
The metric $g=dx^2+\cosh^2(x)dy^2$ is complete
Jul 7, 2021
answer
6
Is there any formula for $\operatorname{arctan}{(a+b)}$
Nov 2, 2021
answer
6
Dividing numerator and denominator of integrand in definite integral
Oct 23, 2021
question
5
Finding the Laurent Series of $f(z)=\displaystyle\frac{z^2 e^{1/z}}{z-1}$ for $0<|z|<1$
Jul 7, 2020
question
5
Immersed isometrically in $\mathbb{R}^4$
Aug 11, 2021
Top network posts
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11
Planes tangent to a cylinder
11
Plot a phase diagram
9
Draw a non-geodesic rectangle
7
Kneser theorem about the Klein bottle
7
Chebyshev net in the Sphere and Catenary

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