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May
23
awarded  Popular Question
May
1
comment Where does the proof of $\sqrt 2$ is irrational break down when trying to prove the same for $\sqrt 4$?
Thanks for this answer. Good info in here.
May
1
revised Where does the proof of $\sqrt 2$ is irrational break down when trying to prove the same for $\sqrt 4$?
added 11 characters in body
Apr
27
comment The output spanning tree of Kruskal's algorithm is a minimum spanning tree
My thought (repeated from chat) is that the algorithm requires you to choose the lowest weight edge. So if T is smaller than it, then you didn't choose the smallest edge. I feel like there's something there. Maybe it will provide food for though.
Apr
26
comment Where does the proof of $\sqrt 2$ is irrational break down when trying to prove the same for $\sqrt 4$?
I think $r$ can be any number, @truebaran, since it cancels.
Apr
26
accepted Where does the proof of $\sqrt 2$ is irrational break down when trying to prove the same for $\sqrt 4$?
Apr
25
asked Where does the proof of $\sqrt 2$ is irrational break down when trying to prove the same for $\sqrt 4$?
Apr
12
comment What does the term “undefined” actually mean?
You might appreciate this video: khanacademy.org/math/algebra2/functions_and_graphs/…
Mar
2
comment Find the mean from the mode and variance
That's certainly what I thought. But the question says the correct answer is 90. It must just be a very poorly designed question.
Mar
1
asked Find the mean from the mode and variance
Jan
29
awarded  Notable Question
Jan
29
awarded  Famous Question
Jan
15
awarded  Popular Question
Jan
9
awarded  Notable Question
Jan
8
awarded  Yearling
Dec
14
awarded  Popular Question
Dec
9
awarded  Tumbleweed
Dec
5
comment Triple Integral to Find Volume
Note: D.A.Robayo's answer probably most advanced answer, but Mike's was the most basic and didn't use skills that haven't been reached in the textbook yet.
Dec
5
accepted Triple Integral to Find Volume
Dec
4
comment Triple Integral to Find Volume
Note: Mathematica and Maple say the answer is $16 \pi$. But I still want to know how to do the integral.