Riemann'sPointyNose

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37

Is there a reason it is so rare we can solve differential equations?

Aug 7, 2020

15

$\int_0^{\infty} \arctan{\left(\frac{n}{\cosh{(x)}}\right)} \mathop{dx}$

Jul 4, 2020

12

Why is $x^{x^x}=x^{x x}=x^{x^2}=x^{2x}$ wrong?

Aug 8, 2020

9

Another way to solve $\int \frac{\sin^4(x)}{1+\cos^2(x)}\ dx$ without the substitution $y=\tan\left(\frac{x}{2}\right)$?

Jul 9, 2020

8

Evaluating $\int_{0}^{2\pi}\frac{1}{\cos^2(\theta)+1}\, d\theta$

Jul 17, 2020

Questions

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6

Is my calculation of the Fundamental group of the real projective plane correct?

Apr 23, 2021

5

Fourier transforms: divergent integrals?

Mar 31, 2021

4

Confused by step in calculating fundamental groups of cell complexes using Seifert-Van Kampen theorem

Mar 16, 2021

4

Is my intuition for ${\vdash}$ and ${\models}$ correct?

Jan 29, 2021

3

Any nice (not necessarily closed) forms for ${\sum_{n=1}^{\infty}\frac{(-1)^{n+1}\eta(2n)}{n}}$?

Jun 28, 2020

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integration

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derivatives

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algebra-precalculus

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