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Bernard
  • Member for 11 years, 2 months
  • Last seen more than 3 years ago
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Top posts

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170
Why do I get one extra wrong solution when solving $2-x=-\sqrt{x}$?
Jan 19, 2016
73
Finding the tenth derivative of $f(x) = e^x\sin x$ at $x=0$
Jan 17, 2019
47
Easy example why complex numbers are cool
Dec 23, 2014
43
Is there such a thing as a matrix of functions?
Jun 23, 2016
39
Why does Wolfram Alpha say the roots of a cubic involve square roots of negative numbers, when all three roots are real?
Oct 31, 2016
37
Finding the square root of a complex number - why two solutions instead of four?
Apr 27, 2015
37
Examples of irreducible but not prime elements?
Jul 26, 2016
35
A vector space over an infinite field is not a finite union of proper subspaces?
Mar 12, 2015
34
Prove that the order of an element in $S_n$ equals the least common multiple of the lengths of the cycles in its cycle decomposition.
Sep 3, 2015
33
Why doesn't L'Hôpital's rule work in this case?
Jun 28, 2015

Top network posts

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778
How to add a forced line break inside a table cell
86
Problems with fonts
86
How can you create a vertical timeline?
81
How to left align text in a table with \makecell
57
Is there a short hand command to write derivatives?