Mathematics
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Donlans Donlans

Apparently, this user prefers to keep an air of mystery about them.

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Top posts (21) All Questions Answers | Votes Newest

8 Why is this proof invalid? Sep 4
3 Is the graph of $f(x) = (x^2-4)/(x-2)$ the same as $f(x) = (x+2)$? Aug 31
2 a < b if and only if a++ ≤ b. May 17
1 Show That the Series $\frac{1}{n}+ \frac{1}{n+1} +\dots + \frac{1}{2n}$ Converges to a Number Between $\frac{1}{2}$ and $1$ [duplicate] Jul 5
1 proof verification, relative open sets. Aug 15
1 Books in these areas Oct 3
1 What's wrong with this proof? / uniqueness of least upper bound Apr 22
1 How to factorize $\frac{4x^3+4x^2-7x+2}{4x^4-17x^2+4}$? Aug 25
1 How has mathematics been done historically? [Book Reference Request] Aug 2
0 Elementary Number Theory: Eager To Learn Aug 4
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