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Mathematics
Raul Fernandes Horta's user avatar
Raul Fernandes Horta's user avatar
Raul Fernandes Horta's user avatar
Raul Fernandes Horta
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6
Is there another way of solving this binomial problem?
Dec 19, 2022
6
Minimize $\sqrt{9x^2+144}-x$ without calculus
Apr 28, 2024
5
Computing Lyapunov Exponents of an Example of Avila and Bochi
Apr 19, 2024
5
Can a quasi-open set be nowhere dense?
Mar 28
4
About $\int_0^1\bigg(\frac{x^a-x^b}{\log(x)}\bigg)^2 \text{d}x=\log\bigg(\frac{(2a+1)^{2a+1}(2b+1)^{2b+1}}{(a+b+1)^{2(a+b+1)}}\bigg)$
Apr 24, 2024
4
How do I find $\lim_{h \to 0} \frac{\cot 7h}{\cot 5h}$?
Apr 23, 2024
4
Calculate eigenvalues of an $n \times n$ special hollow Toeplitz matrix
Mar 31
4
Analysing a Lebesgue integral inequality for $|t^{-n} \phi(x/t)|$, where $\phi \in C_c^\infty \cap L^1$ with $\| \phi \|_1 = 1$.
May 17, 2024
4
The normal cone to a ball at a boundary point of the ball
Mar 19, 2024
4
If the sum of the modulus of the coefficients of a monic polynomial is lower than 1, then the roots are lower than 1
May 10, 2024