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4 hours later…
05:51
The umpteenth incarnation of a standard trig identity. This time in the guise of an integral.
 
4 hours later…
09:54
0
A: Requests for Reopen & Undeletion Votes (volume 01/2022 - today)

user1729I am requesting that this question be reopened: Tietze Transformations: Show that $\langle x, y, z \mid (xy)^2xy^2\rangle$ is a free group of rank 2 The only answer is mine. A user incorrectly "corrected" the question (see the comments), and the first few close votes came during the period of the...

 
10 hours later…
19:52
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Q: Pattern in perfect squares? Has this been found before?

Iffat IqbalI have a snow day here in Toronto and I wanted to kill some time by rewatching the very well-known Veritasium video on the Collatz conjecture (https://www.youtube.com/watch?v=094y1Z2wpJg&ab_channel=Veritasium). I found this strange pattern at around 15:45 where the perfect squares kind of form a ...


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