Gavran's latest activity
-
GGavran replied to the thread Undergrad One hundred people line up to board an airplane.I have found the problem from the initial post online and there is also a solution to the problem. To me, this solution seems to be...
-
GGavran reacted to PeroK's post in the thread Undergrad One hundred people line up to board an airplane with
Like.
That seems like a post-hoc solution to me. Once you know the answer, you can just say "it's trivial". The same approach to a problem... -
GGavran replied to the thread Undergrad Curious About Symmetric Number Sequences.By following the patterns provided by the original poster, it seems to me that the original poster has used the next calculation for...
-
GGavran replied to the thread Undergrad Curious About Symmetric Number Sequences.0, 3, 8, 15, 24, ... is a known sequence with a general term n2-1 where n=1, 2, 3, ..., but I do not know if it has a particular name...
-
GGavran posted the thread Undergrad One hundred people line up to board an airplane in Set Theory, Logic, Probability, Statistics.[P. Winkler] One hundred people line up to board an airplane. Each has a boarding pass with an assigned seat. However, the first person...
-
GGavran reacted to WWGD's post in the thread High School Are we alone out there? The mystery of life in the Universe with Like.
I think there's a technical definition of life. @BillTre may know it.
-
GGavran replied to the thread Undergrad Non-Linear Infinite Resistor Ladder.The limit is irrational, and the primary objective now is to provide a rigorous proof of its irrationality.
-
GGavran reacted to WWGD's post in the thread Undergrad Non-Linear Infinite Resistor Ladder with Like.
Can we But I don't see a clear functional equation nor anything else , to determine if the limit is Rational.
-
GGavran replied to the thread Undergrad Prove that 1 + NOT (1 + NOT x) = x.We can define the function ## f(x)=1+\text{NOT}x ## and prove that ## f^{-1}(x)=f(x) ##. ## \begin{align} f(x)=1+\text{NOT}x&\implies...
-
GGavran replied to the thread Undergrad Non-Linear Infinite Resistor Ladder.
-
GGavran replied to the thread Physics Jokes!.A little boy refused to run anymore. When his mother asked him why, he replied, "I heard that the faster you go, the shorter you become."
-
GGavran reacted to BadgerBadger92's post in the thread High School Can anyone deeply understand relativity? with Like.
I’m still in school for physics, but I’m worried I will never deeply understand relativity. Can anyone understand these concepts, or is...
-
GGavran replied to the thread Undergrad Comparing the time of two moving clocks.Mermin, N. David. Space and Time in Special Relativity Chapter 10 (pages 87-90) “Why He Says My Clocks Go Slowly Although I Know that...
-
GGavran reacted to .Scott's post in the thread Undergrad How to find the sum of this series? with Like.
This is related to the Basel Problem. Starting from there, you can separate the odd and even terms, then note that the even terms are...
-
GGavran replied to the thread Undergrad Proof of Asymptotic Equality: $\sum_{n=0}^\infty a_n\frac{x^n}{n!} \sim ae^x$.It seems to me that you did not show that ## \sum_{n\ge0}(a_n-a)\frac{x^n}{n!}\sim0 ##, which is crucial to the proof.