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Kusma
  • Member for 8 years, 8 months
  • Last seen more than 6 years ago
  • England, UK
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I teach mathematics at a university in England.

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20
Does the domain of the function depend on how you write it?
8
Fundamental Theorem of Algebra for Two Variables
7
Why is 挺 used as measure word for machine guns?
7
Showing that the matrix A+I is vertible
7
$A\cup A'=A\cup \partial A$