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Apr
11
comment Deriving the value of $\pi$ from a dart board
Lookup bufons needle; no it is not
Mar
29
comment Is my $1+1+1+1+1…=-\frac{1}{2}$ proof correct?
Why down vote for asking a question and showing the work behind it, even if it is wrong it is a question with effort put into it +1 from me
Mar
17
comment Integral $\int \frac{x^2}{\sqrt[] {3-x^3} } \operatorname d \! x$
Changed your first image to a Mathjax, look up the FAQ for the site on how to do latex or google Mathjax.
Mar
17
comment Whether it is the pigeonhole principle?
It would be good that you include your own thoughts on this problem.
Mar
2
comment Prove $1+2\sqrt3$ is not a rational number
25 years ago one used to say rationals are closed under addition and multiplication, is this new terminology now?
Mar
2
comment Prove $1+2\sqrt3$ is not a rational number
I didn't down vote. What does " addition and multiplication is stable" means?
Feb
21
comment The value of $ \int _{0}^{1}x^{99}(1-x)^{100}dx $ is
@NS : was not having a go at you, just letting you know. And of course I might be wrong
Feb
21
comment The value of $ \int _{0}^{1}x^{99}(1-x)^{100}dx $ is
There have been similat questions to this before on this site
Feb
18
comment How can I prove that these two series diverge?
Does it diverge for all x or for the values greater than lets say x=1/8?
Feb
9
comment Nested radicals of 1000 square roots
This would be close enough to the question with indefinitely many iterations, the possibility of a explicit answer is slim, should settle for the approximate one.
Feb
8
comment Parametric equation of degree 4
A little more explanation for mere mortals like me please.
Feb
8
comment Limit $\lim_{x\to\infty} \frac {(\ln(x))^k}x$
Is that meant to be $(\ln x)^k$ or $\ln (x^k)$ ?
Feb
2
comment Why is $\int_0^1 \frac{dx}{\sqrt{1 - x^4}} = \frac{\sqrt{\pi}\,\Gamma(5/4)}{\Gamma(3/4)}$?
math.stackexchange.com/questions/1122911/…
Feb
2
comment Find the parametric equation of a circular helix in space with central axis the $z$-axis and radius $5$.
Leave b as b, you don't need a specific value for it.
Feb
2
comment Singularities of $ {1}/{\cos(\frac{1}{z})}$
@did : it collapses on IE windows RT to a single line, what are you using that does not collapse?
Feb
2
comment Find the parametric equation of a circular helix in space with central axis the $z$-axis and radius $5$.
I was mistaken that b can b found, b is a parameter on its own and can have any value.
Feb
2
comment Find the parametric equation of a circular helix in space with central axis the $z$-axis and radius $5$.
No need to find the value of b, paramedic equation can have the b term in it.
Jan
30
comment What kinds of things are infinite series useful for?
One should look at how useful are these series for practical computation.
Jan
30
comment What kinds of things are infinite series useful for?
I think by series being useful you mean power series, as they are the simplest things to work with. There are many types of series that are interesting but not useful for practical use, e.g. then common Arctan series that gives the value for $\pi$.
Jan
30
comment Proof $(\log(n))^{\log(\log(n))} = O(n)$
does $\log(n)^{\log(\log(n))} $ mean $\log(n^{\log(\log(n))}) $ or $(\log n)^{\log(\log(n))} $?