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Questions Asked

badreferences:
Group Title
Look at this "entry level job":
 updated one year ago
 4 replies
 1 Medal
Mathematics

badreferences:
Group Title
This is very cool. The classic proof that \(32.5=31.5\).
http://farm1.static.flickr.com/48/152036443_ca28c8d2a1_o.png
 updated one year ago
 10 replies
 6 Medals
Mathematics

badreferences:
Group Title
Is \(e+\pi\) rational?
 updated 2 years ago
 7 replies
 1 Medal
Mathematics

badreferences:
Group Title
When choosing a cost function for machine learning, why is convexity generally a desirable property?
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

badreferences:
Group Title
Here's a fun question.\[S_n=\sum_{k=1}^n\left(\frac kn\right)^n\\\lim_{n\to\infty}S_n=\,\,?\]Note: This is a challenge. I have the answer/me…
 updated 2 years ago
 15 replies
 1 Medal
Mathematics

badreferences:
Group Title
Rachmaninoff: Piano Concerto No.3, by Volodos and Pletnev.
Pretty orchestra. :3
…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

badreferences:
Group Title
A partial differential problem that I'm tripping over myself to do.
"Let \(\Sigma\) be an open set in \(\mathbb C^n\) and \(S\) a compact s…
 updated 2 years ago
 9 replies
 No Medals Yet
Mathematics

badreferences:
Group Title
"If \(\omega\) is a 1form on \(\mathbb R^20\) such that \(d\omega=0\), prove that:\[\omega=\lambda\,d\theta+dg\]for some \(\lambda\in\math…
 updated 2 years ago
 12 replies
 No Medals Yet
Mathematics

badreferences:
Group Title
Okay, I actually have a serious problem this time. XD Sometimes when I use OpenStudy, it looks like this.
 updated 2 years ago
 10 replies
 2 Medals
Mathematics

badreferences:
Group Title
This is the coolest math question I've seen in a while.
"Given an \(n\)dimensional chess board \(\mathbb Z_n\), and a black king. What is …
 updated 2 years ago
 5 replies
 1 Medal
Mathematics

badreferences:
Group Title
People with a SmartScore of 70 should have their name and border in pink.
This is important to me.
 updated 2 years ago
 25 replies
 9 Medals
Mathematics

badreferences:
Group Title
"Let \(f:\mathbb R^n\to\mathbb R^n\) be any differentiable function from \(\mathbb R^n\) to itself. Let \(x_0\) be a point in \(\mathbb R^n\…
 updated 2 years ago
 9 replies
 No Medals Yet
Mathematics

badreferences:
Group Title
How precisely (mathematically) do gravitational tidal forces force Saturn's moons into rings?
 updated 2 years ago
 No Medals Yet
Mathematics

badreferences:
Group Title
Is there a statistics text that reviews (generally) everything you learn up to and inside undergraduate's? Something like this http://www.am…
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

badreferences:
Group Title
For all you classical musicians out there, http://imslp.org/ the Petrucci Music Library is an amazing place to get free scores for any instr…
 updated 2 years ago
 5 replies
 No Medals Yet
Mathematics

badreferences:
Group Title
Prove mathematically by hand that\[\sum_{n=1}^\infty10^{n!}\]evaluates to a number with a 1 in each decimal place corresponding to a factor…
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

badreferences:
Group Title
There is a unique real root to the following. Solve with pen and paper.\[x^7+7x^37x^2+7x+1=0\]
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

badreferences:
Group Title
If I have a function \(f(x)\) that is continuous and differentiable\((\infty,\infty)\), its Taylor series\[\sum_{n=0}^\infty\frac{f^n(a)}{n…
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

badreferences:
Group Title
Let \(\{a_n\}\mid\sum\sqrt{a_n}<\infty\) and \(\{b_n\}\in\mathbb R\). Now:\[E=\left\{\frac{a_n}{\leftxb_n\right}<\infty\right\}\]Prove th…
 updated 2 years ago
 14 replies
 1 Medal
Mathematics

badreferences:
Group Title
\[\int\frac{1}{\ln x}\,dx\]
 updated one year ago
 15 replies
 3 Medals
Mathematics

badreferences:
Group Title
Look what I found, OpenStudy.
"Bed Bath & Beyond" has the best furniture ever.
…
 updated 2 years ago
 12 replies
 4 Medals
Mathematics

badreferences:
Group Title
T*(RBJBR)=VPLNT
Where the letters represent a digit in a number. "RBJBR" is five digits long.…
 updated 2 years ago
 38 replies
 2 Medals
Mathematics

badreferences:
Group Title
"Is the minimum viscosity of a fluid bounded?"
"If Ψ(x,t) is a solution to a wavefunction, why mathematically would AΨ(x,t)∣A∈C also be a…
 updated 2 years ago
 21 replies
 2 Medals
Mathematics

badreferences:
Group Title
"Is the minimum viscosity of a fluid bounded?"
"If \(\Psi(x,t)\) is a solution to a wavefunction, why mathematically would \(A\Psi(x,t)\m…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

badreferences:
Group Title
Here's another brainteaser for you bored folks.
"A teacher says: I'm thinking of two natural numbers greater than 1. Try to guess what th…
 updated 2 years ago
 19 replies
 4 Medals
Mathematics

badreferences:
Group Title
SEVEN+SEVEN+SIX=TWENTY
Each letter represents a unique digit. "SEVEN" is a five digit number. Find a possible solution.
 updated 2 years ago
 30 replies
 1 Medal
Mathematics

badreferences:
Group Title
@farmdawgnation Look what I found: http://blog.cbww.com/blount/files/2011/07/RubberDucky.jpg
:3
 updated 2 years ago
 3 replies
 3 Medals
Mathematics

badreferences:
Group Title
Can I have the title under my name be "Captain" instead of "Guru"? You know, reflecting my capable teamwork instead of problem solving or en…
 updated 2 years ago
 4 replies
 3 Medals
Mathematics

badreferences:
Group Title
Solve\[\int_0^\infty\frac{\ln\left(x+1\right)}{x}\]
 updated one year ago
 8 replies
 2 Medals
Mathematics

badreferences:
Group Title
Find a value for \(\left\{a\mid0<a<1\right\}\) such that there is no \(b\in\mathbb R\) for which \(a^a=b^b\) where \(a\neq b\).
 updated 2 years ago
 8 replies
 1 Medal
Mathematics
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