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André Nicolas's user avatar
André Nicolas's user avatar
André Nicolas's user avatar
André Nicolas
  • Member for 13 years, 7 months
  • Last seen more than 7 years ago
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In a while, I will for some time not be able to answer questions I am asked about past posts (medical). Apologies!

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answer
543
Why can ALL quadratic equations be solved by the quadratic formula?
Jul 3, 2011
answer
515
Is the following matrix invertible?
Jul 26, 2012
answer
235
Infiniteness of non-twin primes.
Dec 20, 2013
answer
216
How I can prove that the sequence $\sqrt{2} , \sqrt{2\sqrt{2}}, \sqrt{2\sqrt{2\sqrt{2}}}$ converges to 2?
Sep 21, 2012
answer
188
Can you raise a number to an irrational exponent?
Aug 2, 2011
answer
145
The median minimizes the sum of absolute deviations (the $ {\ell}_{1} $ norm)
Feb 25, 2012
answer
141
Order of general- and special linear groups over finite fields.
Oct 19, 2011
answer
139
Expected Number of Coin Tosses to Get Five Consecutive Heads
Apr 17, 2013
answer
114
Difference between metric and norm made concrete: The case of Euclid
May 12, 2011
answer
113
Density of sum of two independent uniform random variables on $[0,1]$
Apr 11, 2013
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Is there an MSE-like site that is more pleasant to work in? Or are there other solutions?
33
Congratulations, André!
22
math.SE policy on question from ongoing contests
16
Views on asking and answering questions solely to make results available on stack exchange.
14
Groundhog Day bug
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Formula sheets and books during tests and exams