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At the time of writing, I have been a member of OpenStudy for over thee years. Please make me a moderator already so that I can help you weed out the plethora of litter countless "users" post daily.
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Questions Asked
across:
Group Title
Test your recursion skills.
Given an integer array `a` of size `n`, write a recursive function with prototype…
updated 2 years ago
23 replies
1 Medal
Mathematics
across:
Group Title
https://dl.dropbox.com/u/12189012/OS.pdf
updated 2 years ago
2 replies
1 Medal
Mathematics
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Group Title
Let's do some cool math:
A tank in the form of a right-circular cylinder standing on end is leaking water through a circular hole in its …
updated 2 years ago
16 replies
2 Medals
Mathematics
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Group Title
.
updated 2 years ago
4 replies
1 Medal
Mathematics
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Quick question: what's the \(\LaTeX\) symbol for the closed surface integral?
updated 2 years ago
14 replies
4 Medals
Mathematics
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Whilst studying the heat equation, I ran into the equality\[e(x,t)=c(x)\rho(x)u(x,t),\]where \(e\) is the thermal energy density, \(c\) is t…
updated 2 years ago
8 replies
1 Medal
Mathematics
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Do you have too much free time on your hands?
updated 2 years ago
7 replies
5 Medals
Mathematics
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A student asked me to prove\[\nabla\times\left(\vec F\times\vec G\right)=(\vec G\cdot\nabla)\vec F-(\vec F\cdot\nabla)\vec G+(\nabla\cdot\ve…
updated 2 years ago
10 replies
3 Medals
Mathematics
across:
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Let's go over the derivation of\[\sum_{i=1}^{n}i^2=\frac{n(n+1)(2n+1)}{6}\]
updated 2 years ago
16 replies
2 Medals
Mathematics
across:
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Let's go over the derivation of\[\sum_{i=1}^{n}i^2=\frac{n(n+1)(2n+1)}{6}\]
updated 2 years ago
4 replies
2 Medals
Mathematics
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Group Title
Am I the only one who, as soon as typing openstudy.com in the address bar, minimizes the window to a speck and hurriedly logs in?
Maybe i…
updated 2 years ago
103 replies
19 Medals
Mathematics
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Who here plays StarCraft 2?
updated 2 years ago
6 replies
No Medals Yet
Mathematics
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If my memory serves me right, "meta-mathematics" would be "mathematics about mathematics."
Then, I would like to ask, how did the \(\sqrt…
updated 2 years ago
3 replies
1 Medal
Mathematics
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¿Me pudiesen recomendar un buen libro de geometría diferencial? Para aquellos que han estudiado el tema: ¿qué les pareció? Aparentemente, se…
updated 2 years ago
12 replies
2 Medals
Mathematics
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Dwarf Fortress
updated 2 years ago
15 replies
7 Medals
Mathematics
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\[\begin{align}
x^1+y^1+z^1&=0\\
x^3+y^3+z^3&=3\\…
updated 2 years ago
13 replies
6 Medals
Mathematics
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This one should be fun:
http://dl.dropbox.com/u/12189012/fact.html
updated 2 years ago
25 replies
3 Medals
Mathematics
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What Only Happens in OS - II
updated 2 years ago
11 replies
9 Medals
Mathematics
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Funsie:
@bahrom7893 has \(x\) bananas. To prevent a mischievous monkey from stealing his precious assets, he hid them in seven tiny trunks,…
updated 2 years ago
3 replies
1 Medal
Mathematics
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Funsie: How many positive divisors does\[-340000000000000000000000000000000000000\]have? :P
This is actually doable.…
updated 2 years ago
42 replies
10 Medals
Mathematics
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What Only Happens in OS - I
updated 2 years ago
13 replies
3 Medals
Mathematics
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This question is just for fun: Tell me what the last digit of \(3^{1234567890}\) is. :)
Then tell me what the last two digits are.…
updated 2 years ago
30 replies
9 Medals
Mathematics
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JBb ve eBB kQO GQHm ob bsLBe CcBHYbvVw bQ TgsTL bkoe cgQmgsDDoHm TksGGBHmB QcBH. qkoe oe s DQHQ-sGcksNBboT TockBg bksb DsLBe BSTGveoFB veB Q…
updated 2 years ago
20 replies
10 Medals
Mathematics
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I don’t know if this has been suggested before, and I would first look it up if I could, but someone posted an interesting idea in the math …
updated 2 years ago
9 replies
9 Medals
Mathematics
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Recommend me a good math movie that is not the superb "A Beautiful Mind" nor that one of the boy who shoots up rockets. Also, I don't like p…
updated 2 years ago
15 replies
7 Medals
Mathematics
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plz help soolve prolbem 5 + 3 / 2 ^ 3 + 2 - 4 / 3 - 16 sqrt(17) = y 2x^2. 3 graph kthxbye
???…
updated 3 years ago
6 replies
4 Medals
Mathematics
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"OS should have an introduction to OS walk through for first timers."
http://openstudy.com/study#/updates/4f0b3b88e4b014c09e64bd65
updated 3 years ago
3 replies
7 Medals
Mathematics
across:
Group Title
How many prime numbers are there between 1,000,000 and 1,100,000?
updated 3 years ago
14 replies
2 Medals
Mathematics
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I am having trouble understanding the theorem below, so I will post it here as a reminder to myself to review it as often as I can. Also, I …
updated 3 years ago
4 replies
3 Medals
Mathematics
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Two groups of rats were raised separately, each with one of the following two kinds of music:
(1) http://www.youtube.com/watch?v=AWggPLXeOk…
updated 3 years ago
5 replies
4 Medals
Mathematics
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