Mario De León Urbina
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 Aug 18 awarded Yearling Jul 20 answered Examples of interesting integrable functions with at least 2 fixed points and an explicit inverse Jul 5 accepted Solving logarithmic equation? Jul 2 awarded Curious Jul 1 comment Solving logarithmic equation? Textbook says that $\sqrt{2}-1$ is one solution. Jul 1 comment Solving logarithmic equation? In the textbook, solutions are $\sqrt{2}-1$ and $-\sqrt{2}-1$. I know this "hunting lion" method, but exact solutions exists. Jul 1 asked Solving logarithmic equation? Jun 8 accepted I need a help with this limit? Jun 8 accepted How do I $n\lambda ^n$ tends to $0$? Jun 3 asked I need a help with this limit? May 27 comment How do I $n\lambda ^n$ tends to $0$? I was thinking about this expression in this form today with a friend. Thanks :) May 26 revised How do I $n\lambda ^n$ tends to $0$? added 16 characters in body May 26 comment How do I $n\lambda ^n$ tends to $0$? Yes: $\lim_{x\rightarrow \infty}\frac{\lambda^x}{\frac{1}{x}}$ gives me the indetermination "$0$/$0$" and I need to see the behaviour of $$\frac{ln(\lambda ) \lambda^x}{\frac{-1}{x^2}}$$ May 26 asked How do I $n\lambda ^n$ tends to $0$? May 21 accepted Continuous function is $0$ for all real number? May 13 asked Continuous function is $0$ for all real number? Apr 23 accepted If $x + \frac{1}{x} = k$, what's the value of this sum? Apr 14 comment Prove that a sequence is a Cauchy sequence. What happens if we have $|s_{n+1}-s_n|< \frac{1}{n}$? Apr 14 comment If $x + \frac{1}{x} = k$, what's the value of this sum? The initial problem is with $k=3$, but I'm thinking about consequences if $k$ is a real positive number. Apr 14 asked If $x + \frac{1}{x} = k$, what's the value of this sum?