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Jul
18
awarded  Popular Question
Jul
18
accepted Is there a convergent, alternating series that fails the AST?
Jul
18
revised Is there a convergent, alternating series that fails the AST?
Fix numerator of $a_{2n-1}$.
Jul
18
suggested approved edit on Is there a convergent, alternating series that fails the AST?
Jul
2
comment How to do limit?
Yes, I did. Even after rearranging, the derivatives kept getting more and more complex (at least through 2 iterations).
Jul
2
asked How to do limit?
Jun
20
accepted Work of a flying tennis ball
Jun
15
comment Work of a flying tennis ball
I don't get something: Is ounce a unit of force or mass?
Jun
15
comment Work of a flying tennis ball
I'm using the same units as the text. Ounces is a unit of weight, not mass. And where's the integral? This is from a Calculus 2 textbook.
Jun
15
asked Work of a flying tennis ball
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