Mathematics
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player3236
  • Member for 6 years, 5 months
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Apparently, this user prefers to keep an air of mystery about them.

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View all questions and answers
All Questions Answers
Score Newest
answer
32
Is this math game always winnable?
Feb 12, 2021
answer
17
Numbers of the kind $0.aaa\ldots =\frac{1}{aaa\ldots a}$
Feb 8, 2021
answer
14
Why does this Infinite Series have contradictory convergences?
Feb 12, 2021
answer
11
If $x+y+z=xyz$, prove $\frac{2x}{1-x^2}+\frac{2y}{1-y^2}+\frac{2z}{1-z^2}=\frac{2x}{1-x^2}\times\frac{2y}{1-y^2}\times\frac{2z}{1-z^2}$
Sep 29, 2020
answer
11
Compute $\sum_{k\geq0}\frac{2^k}{5^{2^k}+1}$
Oct 1, 2020
answer
11
A limit which exists in polar coordinates but not in Cartesian coordinates?
Feb 21, 2021
answer
9
Sum of $\sum_{n=1}^{+\infty}\frac{1}{(n-1)! +n!}$
Nov 17, 2020
answer
9
A variation of Fermat's Little Theorem
Oct 9, 2020
answer
8
What's the $\lim _{x \to \frac{π}{4}} \frac{\ln (\cot x)}{{1-\tan x}}$?
Jan 4, 2021
answer
8
Solving $a(a + 1) + b(b + 1) = 12, (a+ 1)(b+1) = 4$, is there any trick?
Nov 10, 2020

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